Robert G. Cosper Jr.

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Smethport, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for machining the inside surface of a closed h...
- Patent number 5,159,862
- Issue date Nov 3, 1992
- Dresser-Rand Company
- Stephen L. Byrnes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR