Roger L. Patterson

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Selkirk, Manitoba, CA

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Patents Grantslast 30 patents

Information Patent Grant
Single powered dual movement motion device
- Patent number 5,396,816
- Issue date Mar 14, 1995
- Howard W. F. Derksen
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Aerial lift platform
- Patent number 5,271,707
- Issue date Dec 21, 1993
- Howard W. S. Derksen
- B66 - HOISTING LIFTING HAULING