IP Library › Granted Patent US 4,842,061
Granted Patent Utility
US 4,842,061 · App. 07/152,516

Casing hanger packoff with C-shaped metal seal

Inventor: Philippe C. Nobileau
Patented Case View Patent ↗
Granted: Jun 27, 1989 Filed: Feb 3, 1988
Inventor
Philippe C. Nobileau
Assignee (at issue)
Vetco Gray, LLC

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Quick Facts
Patent No.
US 4,842,061
App. No.
07/152,516
Filed
1988-02-03
Granted
1989-06-27
Kind
A