IP Library › Granted Patent US 6,712,151
Granted Patent Utility
US 6,712,151 · App. 10/114,923

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Inventors: Neil Andrew Abercrombie Simpson, David M. Haugen
Patented Case View Patent ↗
Granted: Mar 30, 2004 Filed: Apr 3, 2002
Inventors
Neil Andrew Abercrombie Simpson
David M. Haugen
Assignee (at issue)
Weatherford/Lamb, Inc.

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Quick Facts
Patent No.
US 6,712,151
App. No.
10/114,923
Filed
2002-04-03
Granted
2004-03-30
Kind
B2