IP Library › Granted Patent US 4,155,574
Granted Patent Utility
US 4,155,574 · App. 05/898,916

Simplified pipe coupling

Inventor: Theodore Hulsey
Patented Case View Patent ↗
Granted: May 22, 1979 Filed: Apr 21, 1978
Inventor
Theodore Hulsey
Assignee (at issue)
The Plessey Company Limited

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Quick Facts
Patent No.
US 4,155,574
App. No.
05/898,916
Filed
1978-04-21
Granted
1979-05-22
Kind
A