Stephen R. Marshall

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Suquamish, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable strap assembly for raising, lowering and transporting ou...
- Patent number 5,752,733
- Issue date May 19, 1998
- Steven R. Marshall
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Rotatable tubular metal liftarm
- Patent number 5,590,618
- Issue date Jan 7, 1997
- Stephen R. Marshall
- B66 - HOISTING LIFTING HAULING