IP Library › Granted Patent US 4,328,014
Granted Patent Utility
US 4,328,014 · App. 06/256,526

Sweeper hopper with filter assembly

Inventors: Jack L. Burgoon, Christopher M. Knowlton
Patented Case View Patent ↗
Granted: May 4, 1982 Filed: Apr 22, 1981
Inventors
Jack L. Burgoon
Christopher M. Knowlton
Assignee (at issue)
The Scott Fetzer Company

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Quick Facts
Patent No.
US 4,328,014
App. No.
06/256,526
Filed
1981-04-22
Granted
1982-05-04
Kind
A