IP Library › Granted Patent US 4,718,488
Granted Patent Utility
US 4,718,488 · App. 07/024,950

Pump-out plug system for a well conduit

Inventors: Ronald E. Pringle, Arthur J. Morris
Patented Case View Patent ↗
Granted: Jan 12, 1988 Filed: Mar 12, 1987
Inventors
Ronald E. Pringle
Arthur J. Morris
Assignee (at issue)
Camco Inc.

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Quick Facts
Patent No.
US 4,718,488
App. No.
07/024,950
Filed
1987-03-12
Granted
1988-01-12
Kind
A