IP Library Granted Patent US 5,396,952
Granted Patent Utility
US 5,396,952 · App. 08/139,415

Drilling rig kelly spinner

Inventor: Huey Stogner
Patented Case View Patent ↗
Granted: Mar 14, 1995 Filed: Oct 20, 1993
Inventor
Huey Stogner

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Quick Facts
Patent No.
US 5,396,952
App. No.
08/139,415
Filed
1993-10-20
Granted
1995-03-14
Kind
A