John M. Birkhimer

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Urbana, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Inertia drive torque transmission level control and engine starter...
- Patent number 6,948,392
- Issue date Sep 27, 2005
- Tech Development, Inc.
- David W. Eckard
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Inertia drive torque transmission level control and engine starter...
- Publication number 20040173038
- Publication date Sep 9, 2004
- Tech Development, Inc.
- David W. Eckard
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS