John E. Zimmerman

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Janesville, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of and machine for removing oil from animal hides
- Patent number 4,111,013
- Issue date Sep 5, 1978
- Northern Conveyor & Manufacturing Corp.
- John E. Zimmerman
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Method of and apparatus for removing brine from hides
- Patent number 4,040,278
- Issue date Aug 9, 1977
- Northern Conveyor & Manufacturing Corporation
- John E. Zimmerman
- C14 - SKINS HIDES PELTS LEATHER