IP Library Granted Patent US 5,141,053
Granted Patent Utility
US 5,141,053 · App. 07/707,689

Compact dual packer with locking dogs

Inventors: Henry L. Restarick, Pat M. White
Patented Case View Patent ↗
Granted: Aug 25, 1992 Filed: May 30, 1991
Inventors
Henry L. Restarick
Pat M. White
Assignee (at issue)
Otis Engineering Corporation

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Quick Facts
Patent No.
US 5,141,053
App. No.
07/707,689
Filed
1991-05-30
Granted
1992-08-25
Kind
A