Lawrence F. Jenkins

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Battle Creek, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Solution heat treated engine poppet valves
- Patent number 4,728,374
- Issue date Mar 1, 1988
- Eaton Corporation
- Jay M. Larson
- C21 - METALLURGY OF IRON
Information Patent Grant
Solution heat treating of engine poppet valves
- Patent number 4,547,229
- Issue date Oct 15, 1985
- Eaton Corporation
- Jay M. Larson
- C21 - METALLURGY OF IRON