IP Library › Granted Patent US 4,890,814
Granted Patent Utility
US 4,890,814 · App. 07/248,593

Discharge valve with handle lock

Inventor: Larry D. Thomas
Patented Case View Patent ↗
Granted: Jan 2, 1990 Filed: Sep 26, 1988
Inventor
Larry D. Thomas
Assignee (at issue)
Hoover Limited

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Quick Facts
Patent No.
US 4,890,814
App. No.
07/248,593
Filed
1988-09-26
Granted
1990-01-02
Kind
A