TREA

The Charles Machine Works, Inc.

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  • Perry, OK, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Track tensioning system
    • Patent number 12,221,180
    • Issue date Feb 11, 2025
    • The Charles Machine Works, Inc.
    • Brant Douglas Kukuk
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Apparatus for capturing axial force on an inner drive member
    • Patent number 12,215,586
    • Issue date Feb 4, 2025
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Throttle control system
    • Patent number 12,123,174
    • Issue date Oct 22, 2024
    • The Charles Machine Works, Inc.
    • Brant Douglas Kukuk
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Virtual brake system
    • Patent number 12,116,855
    • Issue date Oct 15, 2024
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Lead pipe spudding prior to extraction or remediation
    • Patent number 12,092,257
    • Issue date Sep 17, 2024
    • The Charles Machine Works, Inc.
    • Robert F. Crane
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole energy harvesting system
    • Patent number 12,091,942
    • Issue date Sep 17, 2024
    • The Charles Machine Works, Inc.
    • Klayton Day Jones
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Null point depth calibration
    • Patent number 12,078,053
    • Issue date Sep 3, 2024
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Microtrencher blade
    • Patent number D1040197
    • Issue date Aug 27, 2024
    • The Charles Machine Works, Inc.
    • Michael C. Walgren
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Virtual assisted makeup
    • Patent number 12,065,893
    • Issue date Aug 20, 2024
    • The Charles Machine Works, Inc.
    • Pete Ramos
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Beacon optimization
    • Patent number 12,069,590
    • Issue date Aug 20, 2024
    • The Charles Machine Works, Inc.
    • Klayton Day Jones
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sealing system for downhole tool
    • Patent number 12,055,014
    • Issue date Aug 6, 2024
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Magnetic coupler for inducing a signal on a utility line
    • Patent number 12,050,300
    • Issue date Jul 30, 2024
    • The Charles Machine Works, Inc.
    • Richard William Fling
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Augmented reality system for use in horizontal directional drilling...
    • Patent number 12,049,816
    • Issue date Jul 30, 2024
    • The Charles Machine Works, Inc.
    • Bradley S. Marshall
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Tooth for use with a microtrenching blade
    • Patent number D1032318
    • Issue date Jun 25, 2024
    • The Charles Machine Works, Inc.
    • Michael C. Walgren
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    GPS assisted walkover locating system and method
    • Patent number 12,007,491
    • Issue date Jun 11, 2024
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Horizontal directional drill string having dual fluid paths
    • Patent number 12,000,216
    • Issue date Jun 4, 2024
    • The Charles Machine Works, Inc.
    • Floyd R. Gunsaulis
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Virtual path guidance system
    • Patent number 11,977,378
    • Issue date May 7, 2024
    • The Charles Machine Works, Inc.
    • Victor D. Cámara Puerto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Pipe slitter
    • Patent number D1018244
    • Issue date Mar 19, 2024
    • The Charles Machine Works, Inc.
    • Walter George Thompson
    • D08 - Tools and hardware
  • Information Patent Grant

    Utility pipe installation protection system
    • Patent number 11,933,173
    • Issue date Mar 19, 2024
    • The Charles Machine Works, Inc.
    • Bradley S. Marshall
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tip over engine lockout system
    • Patent number 11,920,548
    • Issue date Mar 5, 2024
    • The Charles Machine Works, Inc.
    • Jacob Harman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    System for applying torsional force to a buried pipe to facilitate...
    • Patent number 11,913,570
    • Issue date Feb 27, 2024
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical disconnect for rotation drive
    • Patent number 11,898,405
    • Issue date Feb 13, 2024
    • The Charles Machine Works, Inc.
    • David L. Horst
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method to prevent dual rod drill string drag
    • Patent number 11,885,223
    • Issue date Jan 30, 2024
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Offloading vacuum tank
    • Patent number 11,858,761
    • Issue date Jan 2, 2024
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dual rod assembly and collar installation method
    • Patent number 11,851,956
    • Issue date Dec 26, 2023
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dual-member pipe assembly
    • Patent number 11,828,176
    • Issue date Nov 28, 2023
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cruise control on a work machine
    • Patent number 11,767,656
    • Issue date Sep 26, 2023
    • The Charles Machine Works, Inc.
    • Brant D. Kukuk
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine cooling system
    • Patent number 11,767,780
    • Issue date Sep 26, 2023
    • The Charles Machine Works, Inc.
    • Chester S. McVay
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Automatic depth control system
    • Patent number 11,761,167
    • Issue date Sep 19, 2023
    • The Charles Machine Works, Inc.
    • Victor D. Cámara Puerto
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Insert for use with dual-member pipe joint
    • Patent number 11,753,874
    • Issue date Sep 12, 2023
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    TENSION MONITOR
    • Publication number 20250052145
    • Publication date Feb 13, 2025
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TRACK TENSIONING SYSTEM WITH SLIDING WELDMENT
    • Publication number 20250010927
    • Publication date Jan 9, 2025
    • The Charles Machine Works, Inc.
    • Lelan Mack Powers
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    DOWNHOLE ENERGY HARVESTING SYSTEM
    • Publication number 20250003316
    • Publication date Jan 2, 2025
    • The Charles Machine Works, Inc.
    • Klayton Day Jones
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    NULL POINT DEPTH CALIBRATION
    • Publication number 20240418077
    • Publication date Dec 19, 2024
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BEACON OPTIMIZATION
    • Publication number 20240414660
    • Publication date Dec 12, 2024
    • The Charles Machine Works, Inc.
    • Klayton Day Jones
    • G01 - MEASURING TESTING
  • Information Patent Application

    VIRTUAL BRAKE SYSTEM
    • Publication number 20240344397
    • Publication date Oct 17, 2024
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    POLE MOUNTED LOCATOR
    • Publication number 20240319398
    • Publication date Sep 26, 2024
    • The Charles Machine Works, Inc.
    • Jeffrey Wayne Hollas
    • G01 - MEASURING TESTING
  • Information Patent Application

    GPS ASSISTED WALKOVER LOCATING SYSTEM AND METHOD
    • Publication number 20240319386
    • Publication date Sep 26, 2024
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • G01 - MEASURING TESTING
  • Information Patent Application

    VIRTUAL PATH GUIDANCE SYSTEM
    • Publication number 20240287766
    • Publication date Aug 29, 2024
    • The Charles Machine Works, Inc.
    • Víctor D. Cámara Puerto
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    DYNAMIC TEMPERATURE REGULATION SYSTEM FOR A LIGHT HEAD
    • Publication number 20240276616
    • Publication date Aug 15, 2024
    • The Charles Machine Works, Inc.
    • Joshua J. Therrian
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WRENCH WITH OVER-CENTER JAWS
    • Publication number 20240269805
    • Publication date Aug 15, 2024
    • The Charles Machine Works, Inc.
    • Stephan Ulrich Berger
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TIP OVER ENGINE LOCKOUT SYSTEM
    • Publication number 20240191679
    • Publication date Jun 13, 2024
    • The Charles Machine Works, Inc.
    • Jacob Harman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    INTEGRATED PIPE LOCATING AND MARKING SYSTEM
    • Publication number 20240183661
    • Publication date Jun 6, 2024
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    MECHANICAL DISCONNECT FOR ROTATION DRIVE
    • Publication number 20240151112
    • Publication date May 9, 2024
    • The Charles Machine Works, Inc.
    • David L. Horst
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    OFFLOADING VACUUM TANK
    • Publication number 20240140739
    • Publication date May 2, 2024
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LATCH ASSEMBLY FOR USE WITH AN INVERSION DRUM
    • Publication number 20240142036
    • Publication date May 2, 2024
    • The Charles Machine Works, Inc.
    • Craig Lawrence Noggle
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    DUAL ROD ASSEMBLY AND COLLAR INSTALLATION METHOD
    • Publication number 20240117688
    • Publication date Apr 11, 2024
    • The Charles Machine Works, Inc.
    • Greg L. Slaughter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TRENCH FILLING MACHINE
    • Publication number 20240068179
    • Publication date Feb 29, 2024
    • The Charles Machine Works, Inc.
    • Cody L. Sewell
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    ATTACHMENT FRAME WITH PIVOTING LOADER ARM
    • Publication number 20240068195
    • Publication date Feb 29, 2024
    • The Charles Machine Works, Inc.
    • Todd J. Streck
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    ARTICULATED WORK MACHINE WITH INDIVIDUALLY POWERED DRIVE MEMBERS
    • Publication number 20240059352
    • Publication date Feb 22, 2024
    • The Charles Machine Works, Inc.
    • Dustin L. Blessum
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    BEARING RETENTION FOR VACUUM TANK LINKAGE
    • Publication number 20230406613
    • Publication date Dec 21, 2023
    • The Charles Machine Works, Inc.
    • Lance D. Littlewood
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    NOISE MINIMIZATION TO COMMUNICATE WITH A BEACON
    • Publication number 20230378986
    • Publication date Nov 23, 2023
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CYLINDER ASSEMBLY FOR TILTING A VACUUM TANK
    • Publication number 20230340972
    • Publication date Oct 26, 2023
    • The Charles Machine Works, Inc.
    • Lance D. Littlewood
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    JAW ENGAGEMENT ASSIST SYSTEM
    • Publication number 20230339077
    • Publication date Oct 26, 2023
    • The Charles Machine Works, Inc.
    • Steven W. Wentworth
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    DOWNHOLE ENERGY HARVESTING SYSTEM
    • Publication number 20230332488
    • Publication date Oct 19, 2023
    • The Charles Machine Works, Inc.
    • Klayton Day Jones
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    APPARATUS FOR CAPTURING AXIAL FORCE ON AN INNER DRIVE MEMBER
    • Publication number 20230332469
    • Publication date Oct 19, 2023
    • The Charles Machine Works, Inc.
    • Max A. Metcalf
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VIRTUAL BRAKE SYSTEM
    • Publication number 20230332487
    • Publication date Oct 19, 2023
    • The Charles Machine Works, Inc.
    • Joseph G. Greenlee
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AUTONOMOUS HDD TRACKING SYSTEM WITH ROVER
    • Publication number 20230314593
    • Publication date Oct 5, 2023
    • The Charles Machine Works, Inc.
    • Scott B. Cole
    • G01 - MEASURING TESTING
  • Information Patent Application

    MECHANICAL SHUTTLE PIPE GRIPPER
    • Publication number 20230304367
    • Publication date Sep 28, 2023
    • The Charles Machine Works, Inc.
    • Rick G. Porter
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TIP OVER ENGINE LOCKOUT SYSTEM
    • Publication number 20230279830
    • Publication date Sep 7, 2023
    • The Charles Machine Works, Inc.
    • Jacob Harman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Trademarklast 30 trademarks

  • Information Trademark

    98227002 - HELIAM
    • Serial number 98227002
    • Registration number 7443589
    • Filing date Oct 17, 2023
    • The Charles Machine Works, Inc.
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    97850052 - T
    • Serial number 97850052
    • Registration number 7629516
    • Filing date Mar 21, 2023
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    97845000 - A
    • Serial number 97845000
    • Registration number 7339706
    • Filing date Mar 17, 2023
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    97817894 - GROUND CONTROL
    • Serial number 97817894
    • Filing date Mar 1, 2023
    • The Charles Machine Works, Inc.
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
  • Information Trademark

    97817936 - WARLOCK
    • Serial number 97817936
    • Registration number 7478022
    • Filing date Mar 1, 2023
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    97618447 - HYDRA WHEEL
    • Serial number 97618447
    • Registration number 7107834
    • Filing date Oct 4, 2022
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    97600661 - HYDRASLITTER
    • Serial number 97600661
    • Registration number 7093534
    • Filing date Sep 21, 2022
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    97412871 - RS BLUELINE
    • Serial number 97412871
    • Registration number 7092213
    • Filing date May 16, 2022
    • The Charles Machine Works, Inc.
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    97341196 - RADIUS
    • Serial number 97341196
    • Registration number 6859569
    • Filing date Mar 31, 2022
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    90889215 - RS CITYLINER
    • Serial number 90889215
    • Registration number 7009234
    • Filing date Aug 18, 2021
    • The Charles Machine Works, Inc.
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    90558884 - BLUELIGHT
    • Serial number 90558884
    • Registration number 6627432
    • Filing date Mar 3, 2021
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    90558888 - BLUELIGHT
    • Serial number 90558888
    • Registration number 6756101
    • Filing date Mar 3, 2021
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    90295758 - DRILLLOK
    • Serial number 90295758
    • Registration number 6600599
    • Filing date Nov 3, 2020
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    87686359 - BEACON BUDDY
    • Serial number 87686359
    • Registration number 5523139
    • Filing date Nov 15, 2017
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    86849252 - UNDERGROUND AWARENESS
    • Serial number 86849252
    • Registration number 5370614
    • Filing date Dec 15, 2015
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    86402299 - LET'S TALK UNDERGROUND
    • Serial number 86402299
    • Registration number 4849263
    • Filing date Sep 22, 2014
    • The Charles Machine Works, Inc.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    86399258 - HDD ADVISOR
    • Serial number 86399258
    • Registration number 4909614
    • Filing date Sep 18, 2014
    • The Charles Machine Works, Inc.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    86374819 - DRILLLOK
    • Serial number 86374819
    • Registration number 4787613
    • Filing date Aug 22, 2014
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    86234995 - ROCKMASTER
    • Serial number 86234995
    • Registration number 4788321
    • Filing date Mar 28, 2014
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    86158190 - MTI
    • Serial number 86158190
    • Filing date Jan 6, 2014
    • The Charles Machine Works, Inc.
    • 35 - Advertising
  • Information Trademark

    86156980 - MTI
    • Serial number 86156980
    • Registration number 4620045
    • Filing date Jan 3, 2014
    • The Charles Machine Works, Inc.
    • 35 - Advertising
  • Information Trademark

    86135179 - DITCHWITCH
    • Serial number 86135179
    • Registration number 4533735
    • Filing date Dec 4, 2013
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    86078469 - DURATOOTH
    • Serial number 86078469
    • Registration number 4635559
    • Filing date Sep 30, 2013
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    85955287 - AIM
    • Serial number 85955287
    • Registration number 4732140
    • Filing date Jun 10, 2013
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    85944234 - SS
    • Serial number 85944234
    • Registration number 4508047
    • Filing date May 28, 2013
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    85944230 - SS SUBSITE
    • Serial number 85944230
    • Registration number 4508046
    • Filing date May 28, 2013
    • The Charles Machine Works, Inc.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    85903097 - UNDERGROUND ADVANTAGE
    • Serial number 85903097
    • Filing date Apr 12, 2013
    • The Charles Machine Works, Inc.
    • 35 - Advertising
  • Information Trademark

    85980913 - UNDERGROUND ADVANTAGE
    • Serial number 85980913
    • Registration number 4487885
    • Filing date Apr 12, 2013
    • The Charles Machine Works, Inc.
    • 36 - Insurance
  • Information Trademark

    85897686 - POWERHOUSE
    • Serial number 85897686
    • Registration number 4782409
    • Filing date Apr 8, 2013
    • The Charles Machine Works, Inc.
    • 7 - Machines and machine tools
  • Information Trademark

    85897702 - SAVERLOK SYSTEM
    • Serial number 85897702
    • Registration number 4403473
    • Filing date Apr 8, 2013
    • Charles Machine Works, Inc., The
    • 7 - Machines and machine tools