John W. Roberts

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Yorkville, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealed reversible ratchet wrench
- Patent number 4,934,220
- Issue date Jun 19, 1990
- Snap-on Tools Corporation
- Randall J. Slusar
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS