David L. Richards

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Bartonville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle transfer gear and drive line brake mechanism
- Patent number 4,577,524
- Issue date Mar 25, 1986
- Caterpillar Tractor Co.
- David L. Richards
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vehicle transfer gear mechanism
- Patent number 4,542,801
- Issue date Sep 24, 1985
- Caterpillar Tractor Co.
- David L. Richards
- B60 - VEHICLES IN GENERAL