IP Library › Granted Patent US 4,333,495
Granted Patent Utility
US 4,333,495 · App. 06/183,583

Check valve assembly

Inventors: David Griswold, Richard Veit
Patented Case View Patent ↗
Granted: Jun 8, 1982 Filed: Sep 2, 1980
Inventors
David Griswold
Richard Veit
Assignee (at issue)
Griswold Controls, LLC

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Quick Facts
Patent No.
US 4,333,495
App. No.
06/183,583
Filed
1980-09-02
Granted
1982-06-08
Kind
A