IP Library › Granted Patent US 4,613,002
Granted Patent Utility
US 4,613,002 · App. 06/605,536

Downhole drilling tool with improved swivel

Inventors: Paul R. Pittman, Floyd L. Scott, Jr., William R. Hamilton
Patented Case View Patent ↗
Granted: Sep 23, 1986 Filed: Apr 30, 1984
Inventors
Paul R. Pittman
Floyd L. Scott, Jr.
William R. Hamilton
Assignee (at issue)
Hughes Tool Company LLC

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Quick Facts
Patent No.
US 4,613,002
App. No.
06/605,536
Filed
1984-04-30
Granted
1986-09-23
Kind
A