IP Library › Granted Patent US 4,709,725
Granted Patent Utility
US 4,709,725 · App. 07/015,071

Metal-to-metal seal structure

Inventor: Bertram L. Morrison
Patented Case View Patent ↗
Granted: Dec 1, 1987 Filed: Feb 17, 1987
Inventor
Bertram L. Morrison
Assignee (at issue)
Vetco Gray, LLC

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Quick Facts
Patent No.
US 4,709,725
App. No.
07/015,071
Filed
1987-02-17
Granted
1987-12-01
Kind
A