Patent Assignment
Reel/Frame 021135/0134
Corrective Assignment to Correct the Assignee Name Previously Recorded on Reel 019692 Frame 0578. Assignor(S) Hereby Confirms the Assignment.
Recorded: 2008-06-23
Pages: 6
Assignor
MICHAEL J. GAZEWOOD
Executed: 1999-04-27
Assignee
THRU-TUBING TECHNOLOGY, INC.
6316 WINDFERN, HOUSTON, TEXAS, 77040
Covered Property
(1)
Ribbed Sealing Element and Method of Use
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 14, 2007
From: GAZEWOOD, MICHAEL J.
To: CORE LABORATORIES LP
Reel/Frame 019692/0578 →
Assignment of Assignor's Interest
Oct 14, 2008
From: THRU-TUBING TECHNOLOGY, INC.
To: OWEN OIL TOOLS LP
Reel/Frame 021706/0057 →
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 →