David M. Groh

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Battle Creek, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Biasing assembly for a variable valve timing mechanism
- Patent number 5,515,819
- Issue date May 14, 1996
- Eaton Corporation
- David M. Groh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method for manufacturing a direct acting hydraulic tappet
- Patent number 5,430,934
- Issue date Jul 11, 1995
- Eaton Corporation
- David M. Groh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Direct acting hydraulic tappet
- Patent number 5,280,771
- Issue date Jan 25, 1994
- Eaton Corporation
- David M. Groh
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES