IP Library › Granted Patent US 4,830,121
Granted Patent Utility
US 4,830,121 · App. 07/193,425

Break-out joint with selective disabler

Inventors: Igor Krasnov, John Moses
Patented Case View Patent ↗
Granted: May 16, 1989 Filed: May 12, 1988
Inventors
Igor Krasnov
John Moses
Assignee (at issue)
Vetco Gray, LLC

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Quick Facts
Patent No.
US 4,830,121
App. No.
07/193,425
Filed
1988-05-12
Granted
1989-05-16
Kind
A