Frederick A. Skinner

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Peabody, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mandrel jaw and method of manufacture
- Patent number 4,356,719
- Issue date Nov 2, 1982
- USM Corporation
- Clarke R. Sutherland
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...