IP Library › Granted Patent US 5,868,554
Granted Patent Utility
US 5,868,554 · App. 08/736,033

Flexible plunger apparatus for free movement in gas-producing wells

Inventors: Jeff L. Giacomino, Bruce M. Victor
Patented Case View Patent ↗
Granted: Feb 9, 1999 Filed: Oct 23, 1996
Inventors
Jeff L. Giacomino
Bruce M. Victor

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Quick Facts
Patent No.
US 5,868,554
App. No.
08/736,033
Filed
1996-10-23
Granted
1999-02-09
Kind
A