IP Library › Granted Patent US 6,712,402
Granted Patent Utility
US 6,712,402 · App. 10/248,971

Double shoulder oilfield tubular connection

Inventor: Thomas E. Winship
Patented Case View Patent ↗
Granted: Mar 30, 2004 Filed: Mar 6, 2003
Inventor
Thomas E. Winship
Assignee (at issue)
GRANT PRIDECO, L.P.

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Quick Facts
Patent No.
US 6,712,402
App. No.
10/248,971
Filed
2003-03-06
Granted
2004-03-30
Kind
B2