Patent Assignment
Reel/Frame 021651/0231
Assignment of Assignor's Interest
Recorded: 2008-10-09
Pages: 2
Assignor
THRU-TUBING TECHNOLOGY, INC
Executed: 2008-10-08
Assignee
OWEN OIL TOOLS, LP
6316 WINDFERN, HOUSTON, TEXAS, 77040
Covered Property
(1)
Ribbed Sealing Element and Method of Use
Patent:
6,276,690 →
Application:
09/303,201 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 30, 1999
From: GAZEWOOD, MICHAEL J.
To: THRU-TUBING TECHNOLOGY, INC.
Reel/Frame 009944/0041 →
Security Interest
Nov 21, 2022
From: CORE LABORATORIES LP; OWEN OIL TOOLS LP
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 061975/0571 →
Security Interest
Jul 26, 2025
From: CORE LABORATORIES LP; OWEN OIL TOOLS LP
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 072243/0293 →