David J. Gunnels

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Ortonville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
System to enhance fuel flow measurement accuracy
- Patent number 8,695,410
- Issue date Apr 15, 2014
- GM Global Technology Operations LLC
- Richard W. Gushman
- G01 - MEASURING TESTING
Information Patent Grant
Environmental enclosure for vehicle property testing
- Patent number 7,954,366
- Issue date Jun 7, 2011
- GM Global Technology Operations LLC
- Richard W. Gushman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM TO ENHANCE FUEL FLOW MEASUREMENT ACCURACY
- Publication number 20130255364
- Publication date Oct 3, 2013
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Richard W. Gushman
- G01 - MEASURING TESTING
Information Patent Application
Environmental Enclosure For Vehicle Property Testing
- Publication number 20100107749
- Publication date May 6, 2010
- GM Global Technology Operations, Inc.
- Richard W. Gushman
- G01 - MEASURING TESTING