IP Library › Granted Patent US 6,681,853
Granted Patent Utility
US 6,681,853 · App. 09/962,105

Downhole anti-rotation tool

Inventors: John Doyle, Lynn P. Tessier, James L. Weber
Patented Case View Patent ↗
Granted: Jan 27, 2004 Filed: Sep 26, 2001
Inventors
John Doyle
Lynn P. Tessier
James L. Weber
Assignee (at issue)
MSI Machineering Solutions Inc.

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Quick Facts
Patent No.
US 6,681,853
App. No.
09/962,105
Filed
2001-09-26
Granted
2004-01-27
Kind
B2