IP Library › Assignment 014813/0495
Patent Assignment
Reel/Frame 014813/0495

Assignment of Assignor's Interest

Recorded: 2004-07-02 Pages: 4
Assignors
HELMS, CHARLES M.
Executed: 2004-03-12
KAUFFMAN, VERNON E.
Executed: 2004-03-12
LEETH, DOUGLAS B.
Executed: 2004-03-12
LEMKE, JOHN A.
Executed: 2004-03-12
SMITH, MAX H.
Executed: 2004-03-12
Assignee
SPECIALTY RENTAL TOOLS & SUPPLY, INC.
1600 E. HIGHWAY 6, SUITE 418, ALVIN, TEXAS, 77511
Covered Property (1)
Articulated Drillstring Entry Apparatus and Method
Patent: 7,131,497 →
Application: 10/708,750 →
Publication: US 2005/0211443
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Conversion Jun 13, 2006
From: SPECIALTY RENTAL TOOLS & SUPPLY, INC.
To: SPECIALTY RENTAL TOOLS & SUPPLY, L.P.
Reel/Frame 017766/0954 →
Merger Oct 16, 2012
From: SPECIALTY RENTAL TOOLS & SUPPLY, L.L.C.
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029139/0610 →
Assignment of Assignor's Interest Feb 16, 2021
From: OIL STATES INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 055314/0482 →