William James Campbell

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Akron, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand-held spreader having a base attachable to a plurality of diffe...
- Patent number 11,483,965
- Issue date Nov 1, 2022
- Chapin Manufacturing, Inc.
- David J. Dubiel
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Hand-held spreader
- Patent number D823655
- Issue date Jul 24, 2018
- Chapin Manufacturing, Inc.
- David J. Dubiel
- D08 - Tools and hardware

Patents Applicationslast 30 patents

Information Patent Application
HAND-HELD SPREADER HAVING A BASE ATTACHABLE TO A PLURALITY OF DIFFE...
- Publication number 20180368309
- Publication date Dec 27, 2018
- CHAPIN MANUFACTURING, INC.
- David J. Dubiel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING