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TECHNICAL OPERATIONS, INCORPORATED
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BURLINGTON, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fail-safe system for pulse-controlled three-terminal d.c. motor
Patent number
4,406,979
Issue date
Sep 27, 1983
Technical Operations Limited
Albert E. Sloan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Field weakening system for pulse-controlled three-terminal d.c. motor
Patent number
4,385,266
Issue date
May 24, 1983
Technical Operations Limited
Albert E. Sloan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Regenerative braking system for three-terminal d.c. motor
Patent number
4,384,240
Issue date
May 17, 1983
Technical Operations Limited
Albert E. Sloan
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Storage reel assembly
Patent number
4,225,790
Issue date
Sep 30, 1980
Technical Operations, Incorporated
George W. Parsons
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Linear storage projector
Patent number
4,211,928
Issue date
Jul 8, 1980
Technical Operations, Incorporated
George W. Parsons
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Neutron personnel dosimeter
Patent number
4,163,154
Issue date
Jul 31, 1979
Technical Operations, Incorporated
Robert V. Wheeler
G01 - MEASURING TESTING
Information
Patent Grant
Optical detection of geometric configurations
Patent number
4,118,107
Issue date
Oct 3, 1978
Technical Operations, Incorporated
George B. Parrent
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Photographic imaging
Patent number
4,063,799
Issue date
Dec 20, 1977
Technical Operations, Incorporated
Kenneth L. Bernstein
G02 - OPTICS
Information
Patent Grant
Optical control assembly for a color design viewer
Patent number
4,003,634
Issue date
Jan 18, 1977
Technical Operations Incorporated
Michael Graser
G02 - OPTICS
Information
Patent Grant
Production of colored designs
Patent number
3,947,105
Issue date
Mar 30, 1976
Technical Operations, Incorporated
Albert Ernest Smith
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color control system for optical image apparatus
Patent number
3,945,731
Issue date
Mar 23, 1976
Technical Operations, Incorporated
Michael Graser
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73372828 - DEX-RAY
Serial number
73372828
Registration number
1266618
Filing date
Jul 2, 1982
Technical Operations, Incorporated
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73372829 - DEX-RAY
Serial number
73372829
Registration number
1264045
Filing date
Jul 2, 1982
Technical Operations, Incorporated
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73355765 - TECH/OPS
Serial number
73355765
Registration number
1290602
Filing date
Mar 22, 1982
Technical Operations, Incorporated
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73355778 - TECH/OPS
Serial number
73355778
Filing date
Mar 22, 1982
TECHNICAL OPERATIONS
Information
Trademark
73179372 - NEUTRAK
Serial number
73179372
Registration number
1150684
Filing date
Jul 24, 1978
Technical Operations, Incorporated
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73179371 - NEUTRAK
Serial number
73179371
Registration number
1143983
Filing date
Jul 24, 1978
Technical Operations, Incorporated
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73055405 - LANDAUER
Serial number
73055405
Registration number
1058755
Filing date
Jun 17, 1975
TECHNICAL OPERATIONS, INCORPORATED
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
72321548 - TECH OPS
Serial number
72321548
Registration number
927240
Filing date
Mar 12, 1969
TECHNICAL OPERATIONS, INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72305081 - ESCORT
Serial number
72305081
Registration number
888834
Filing date
Aug 13, 1968
TECHNICAL OPERATIONS, INCORPORATED
35 - Advertising
Information
Trademark
72288886 - GARDRAY
Serial number
72288886
Registration number
888415
Filing date
Jan 15, 1968
TECHNICAL OPERATIONS, INCORPORATED
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
72215289 - IDT ISODENSITRACER
Serial number
72215289
Registration number
806350
Filing date
Mar 29, 1965
TECHNICAL OPERATIONS, INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72208501 - ISODENSITRACER
Serial number
72208501
Registration number
798524
Filing date
Dec 18, 1964
TECHNICAL OPERATIONS, INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72208288 - TECH OPS
Serial number
72208288
Registration number
798373
Filing date
Dec 16, 1964
TECHNICAL OPERATIONS, INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72068757 - GAMMALARM
Serial number
72068757
Registration number
693486
Filing date
Mar 2, 1959
TECHNICAL OPERATIONS, INCORPORATED
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments