James R. De Spain

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Prospect, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for surface treating a workpiece
- Patent number 4,991,360
- Issue date Feb 12, 1991
- Carrier Vibrating Equipment, Inc.
- James R. DeSpain
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for surface treating a workpiece
- Patent number 4,916,865
- Issue date Apr 17, 1990
- Carrier Vibrating Equipment, Inc.
- James R. DeSpain
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for surface treating a workpiece
- Patent number 4,780,993
- Issue date Nov 1, 1988
- Carrier Vibrating Equipment, Inc.
- James R. DeSpain
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for surface treating a workpiece
- Patent number 4,586,293
- Issue date May 6, 1986
- Carrier Vibrating Equipment, Inc.
- James R. De Spain
- B24 - GRINDING POLISHING