IP Library › Granted Patent US 4,900,067
Granted Patent Utility
US 4,900,067 · App. 07/384,070

Retrievable packoff with an embedded flexible, metallic band

Inventors: Martin Jansen, John Pettit
Patented Case View Patent ↗
Granted: Feb 13, 1990 Filed: Jul 21, 1989
Inventors
Martin Jansen
John Pettit
Assignee (at issue)
Vetco Gray, LLC

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Quick Facts
Patent No.
US 4,900,067
App. No.
07/384,070
Filed
1989-07-21
Granted
1990-02-13
Kind
A