Emil F. Zimmerman

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Richardton, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Interfacting lift hitch
- Patent number 5,169,279
- Issue date Dec 8, 1992
- Emil F. Zimmerman
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Interfacing lift hitch
- Patent number 5,026,247
- Issue date Jun 25, 1991
- Emil F. Zimmerman
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Interfacing lift hitch
- Patent number 4,850,789
- Issue date Jul 25, 1989
- Emil F. Zimmerman
- B66 - HOISTING LIFTING HAULING