Stephen M. Fitch

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Oakwood, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for sand core gas evacuation and related systems and apparatus
- Patent number 9,403,209
- Issue date Aug 2, 2016
- GM Global Technology Operations LLC
- Christopher D. Cogan
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Pour ladle for molten metal
- Patent number 8,418,745
- Issue date Apr 16, 2013
- GM Global Technology Operations LLC
- Christopher D. Cogan
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Pour ladle for molten metal
- Patent number 8,327,915
- Issue date Dec 11, 2012
- GM Global Technology Operations LLC
- Christopher D. Cogan
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR SAND CORE GAS EVACUATION AND RELATED SYSTEMS AND APPARATUS
- Publication number 20140202651
- Publication date Jul 24, 2014
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- CHRISTOPHER D. COGAN
- B22 - CASTING POWDER METALLURGY
Information Patent Application
POUR LADLE FOR MOLTEN METAL
- Publication number 20130032304
- Publication date Feb 7, 2013
- GM Global Technology Operations, Inc.
- Christopher D. Cogan
- B22 - CASTING POWDER METALLURGY
Information Patent Application
POUR LADLE FOR MOLTEN METAL
- Publication number 20120298322
- Publication date Nov 29, 2012
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Christopher D. Cogan
- B22 - CASTING POWDER METALLURGY