IP Library › Granted Patent US 4,382,528
Granted Patent Utility
US 4,382,528 · App. 06/291,457

Planter hopper with wear ring

Inventors: Alexander T. Gafford, Charles E. Adams
Patented Case View Patent ↗
Granted: May 10, 1983 Filed: Aug 10, 1981
Inventors
Alexander T. Gafford
Charles E. Adams
Assignee (at issue)
Allis-Chalmers Corporation

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Quick Facts
Patent No.
US 4,382,528
App. No.
06/291,457
Filed
1981-08-10
Granted
1983-05-10
Kind
A