David J. Wilke

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York, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Brake operating lever
- Patent number 4,005,613
- Issue date Feb 1, 1977
- Pennsylvania Wire Rope Corporation
- Alan D. Kaufman
- G05 - CONTROLLING REGULATING
Information Patent Grant
Auxiliary brake lever
- Patent number 3,974,712
- Issue date Aug 17, 1976
- Pennsylvania Wire Rope Corporation
- Alan D. Kaufman
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS