IP Library › Granted Patent US 5,090,441
Granted Patent Utility
US 5,090,441 · App. 07/642,032

Anti-clog valve

Inventor: James W. Richmond
Patented Case View Patent ↗
Granted: Feb 25, 1992 Filed: Jan 16, 1991
Inventor
James W. Richmond
Assignee (at issue)
Emerson Electric Co.

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Quick Facts
Patent No.
US 5,090,441
App. No.
07/642,032
Filed
1991-01-16
Granted
1992-02-25
Kind
A