IP Library › Granted Patent US 4,941,296
Granted Patent Utility
US 4,941,296 · App. 07/048,940

Surface cleaner

Inventor: James H. Carpenter
Patented Case View Patent ↗
Granted: Jul 17, 1990 Filed: May 12, 1987
Inventor
James H. Carpenter
Assignee (at issue)
Pangborn Corporation

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Quick Facts
Patent No.
US 4,941,296
App. No.
07/048,940
Filed
1987-05-12
Granted
1990-07-17
Kind
A