Robert R. Ridley

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Pontiac, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Tooth forming tool and method for splining tubular elements
- Patent number 4,485,657
- Issue date Dec 4, 1984
- Ex-Cell-O Corporation
- Robert R. Ridley
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tool and method for crowning teeth
- Patent number 4,414,729
- Issue date Nov 15, 1983
- Ex-Cell-O Corporation
- Robert R. Ridley
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...