Arnold R. Hoffman

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Rochester, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Trolley wheel assembly
- Patent number 5,333,956
- Issue date Aug 2, 1994
- Arnold R. Hoffman
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Replaceable plastic trolley wheel and method
- Patent number 5,156,533
- Issue date Oct 20, 1992
- Frank F. Hoffman
- B60 - VEHICLES IN GENERAL