IP Library › Granted Patent US 4,838,068
Granted Patent Utility
US 4,838,068 · App. 07/218,839

Method of fabricating threaded connection for pipes

Inventors: Frank J. Carlin, Terrell F. Wafford
Patented Case View Patent ↗
Granted: Jun 13, 1989 Filed: Jul 14, 1988
Inventors
Frank J. Carlin
Terrell F. Wafford
Assignee (at issue)
Baker Hughes Holdings LLC

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Quick Facts
Patent No.
US 4,838,068
App. No.
07/218,839
Filed
1988-07-14
Granted
1989-06-13
Kind
A