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MUSKEGON PISTON RING COMPANY, INC
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MUSKEGON, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multiple seal stationary sealing ring
Patent number
4,268,046
Issue date
May 19, 1981
Muskegon Piston Ring Company
Kenneth J. Nisper
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Two-piece oil control ring
Patent number
4,226,430
Issue date
Oct 7, 1980
Muskegon Piston Ring Company
Kenneth J. Nisper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Three-piece oil control ring
Patent number
4,194,747
Issue date
Mar 25, 1980
Muskegon Piston Ring Company
Kenneth J. Nisper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Bi-directional ring gap seal
Patent number
4,189,161
Issue date
Feb 19, 1980
Muskegon Piston Ring Company
Raymond L. Grimm
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73301113 - ENGINE MASTERS
Serial number
73301113
Registration number
1209496
Filing date
Mar 16, 1981
Muskegon Piston Ring Company, Inc.
6 - Common metals and their alloys
Information
Trademark
73301112 - ABBOTT ENGINE MASTERS
Serial number
73301112
Registration number
1209495
Filing date
Mar 16, 1981
Muskegon Piston Ring Company, Inc.
6 - Common metals and their alloys
Information
Trademark
73301114 - ABBOTT ENGINE MASTERS
Serial number
73301114
Filing date
Feb 26, 1981
Muskegon Piston Ring Company, Inc.
37 - Building construction
Information
Trademark
73301115 - ENGINE MASTERS
Serial number
73301115
Filing date
Feb 26, 1981
Muskegon Piston Ring Company, Inc.
37 - Building construction
Information
Trademark
73194728 - OEC
Serial number
73194728
Registration number
1137018
Filing date
Nov 27, 1978
Muskegon Piston Ring Company, Inc.
37 - Building construction
Information
Trademark
73194781 - ORIGINAL EQUIPMENT CERTIFIED
Serial number
73194781
Registration number
1151922
Filing date
Nov 27, 1978
Muskegon Piston Ring Company, Inc.
37 - Building construction
Information
Trademark
73194782 - O.E.C.
Serial number
73194782
Registration number
1151923
Filing date
Nov 27, 1978
Muskegon Piston Ring Company, Inc.
37 - Building construction
Information
Trademark
73180351 - SPARTALOY
Serial number
73180351
Registration number
1146033
Filing date
Jul 31, 1978
Muskegon Piston Ring Company, Inc.
7 - Machines and machine tools
Information
Trademark
72307123 - QUESTOR
Serial number
72307123
Registration number
873323
Filing date
Sep 11, 1968
Muskegon Piston Ring Company
6 - Common metals and their alloys
Information
Trademark
71661091 - UNITIZED
Serial number
71661091
Registration number
595949
Filing date
Feb 15, 1954
Muskegon Piston Ring Company
7 - Machines and machine tools
Information
Trademark
71449287 - MPR
Serial number
71449287
Registration number
394241
Filing date
Dec 8, 1941
Muskegon Piston Ring Company
7 - Machines and machine tools
Information
Trademark
71415661 - GRAPHITOX
Serial number
71415661
Registration number
367888
Filing date
Feb 6, 1939
Muskegon Piston Ring Company
7 - Machines and machine tools