Gregory J. Tomkiewicz

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Milford, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fixture for supporting a workpiece
- Patent number 10,052,744
- Issue date Aug 21, 2018
- GM Global Technology Operations LLC
- Brian F. Hacker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cam bearing surface of an engine cylinder head that includes an axi...
- Patent number 8,166,939
- Issue date May 1, 2012
- GM Global Technology Operations LLC
- Jose Manuel Lopez-Crevillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
VALVE SEAT INSERT GAP DETECTION
- Publication number 20120204425
- Publication date Aug 16, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Gregory J. Tomkiewicz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
FIXTURE FOR SUPPORTING A WORKPIECE
- Publication number 20120175832
- Publication date Jul 12, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Brian F. HACKER
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ENGINE CYLINDER HEAD LUBRICATION FEATURES AND METHOD OF FORMING
- Publication number 20100223787
- Publication date Sep 9, 2010
- GM Global Technology Operations, Inc.
- Jose Manuel Lopez-Crevillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR