Robert Frayer, Jr.

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Gregory, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Over-running clutch pulley with increased surface microhardness
- Patent number 7,191,880
- Issue date Mar 20, 2007
- NTN Corporation
- Mary-Jo Liston
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR