Patent Assignment
Reel/Frame 009453/0258
Assignment of Assignor's Interest
Recorded: 1998-09-16
Pages: 6
Assignor
HELMS, CHARLES M.
Executed: 1998-05-01
Assignee
SPECIALTY RENTAL TOOLS & SUPPLY, INC.
6600 TEXAS COMMERCE TOWER, HOUSTON, TEXAS, 77002
Covered Property
(1)
Top Entry Apparatus and Method for a Drilling Assembly
Patent:
5,735,351 →
Application:
08/410,894 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement
Mar 14, 2001
From: OIL STATES; A-Z TERMINAL CORPORATION; CAPSTAR DRILLING, INC.; CECO HOLDINGS, INC.
To: CREDIT SUISSE FIRST BOSTON, AS U.S. COLLATERAL AGENT
Reel/Frame 011566/0720 →
Release of Security Interest
Nov 20, 2003
From: CREDIT SUISSE FIRST BOSTON
To: OIL STATES INTERNATIONAL, INC.
Reel/Frame 014146/0093 →
Security Agreement
Dec 1, 2003
From: OIL STATES INDUSTRIES, INC.; A-Z TERMINAL CORPORATION; CAPSTAR DRILLING, L.P.; CAPSTAR DRILLING, GP, L.L.C.
To: WELLS FARGO BANK OF TEXAS
Reel/Frame 014709/0287 →
Merger
Oct 16, 2012
From: SPECIALTY RENTAL TOOLS & SUPPLY, L.L.C.
To: OIL STATES ENERGY SERVICES, L.L.C.
Reel/Frame 029139/0473 →