Richard G. Johnson

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Winch with electronic current limiter
- Patent number 5,214,359
- Issue date May 25, 1993
- Warn Industries, Inc.
- Richard S. Herndon
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Winch with shut-off load limiter
- Patent number 4,873,474
- Issue date Oct 10, 1989
- Warn Industries, Inc.
- Richard G. Johnson
- B66 - HOISTING LIFTING HAULING