IP Library › Granted Patent US 4,642,841
Granted Patent Utility
US 4,642,841 · App. 06/773,589

Hand held vacuum cleaner

Inventors: Robert C. Berfield, Richard M. Fegan
Patented Case View Patent ↗
Granted: Feb 17, 1987 Filed: Sep 9, 1985
Inventors
Robert C. Berfield
Richard M. Fegan
Assignee (at issue)
SHOP VAC CORPORATION

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Quick Facts
Patent No.
US 4,642,841
App. No.
06/773,589
Filed
1985-09-09
Granted
1987-02-17
Kind
A