Patent Assignment
Reel/Frame 006524/0141
Assignment of Assignors Interest.
Recorded: 1993-04-15
Pages: 2
Assignor
ARLT, EDWARD J., III
Executed: 1993-04-13
Assignee
LTV ENERGY PRODUCTS COMPANY
DRILLING EQUIPMENT DIVISION, 7600 SOUTH SANTE FE, HOUSTON, TEXAS, 77061
Covered Property
(1)
Variable Spring Rate Compression Element and Riser Tensioner System Using the Same
Patent:
5,482,406 →
Application:
08/047,810 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger and Change of Name. Effective October 1, 1993 in Delaware.
May 16, 1994
From: LTV ENERGY PRODUCTS COMPANY OR CONTINENTAL EMSCO COMPANY
To: CONTINENTAL EMSCO COMPANY
Reel/Frame 006987/0867 →
Assignment of Assignor's Interest
Oct 13, 2000
From: CONTINENTAL EMSCO COMPANY
To: OIL STATES INDUSRIES, INC.
Reel/Frame 011170/0181 →
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 →
Merger/Change of Name
Feb 19, 2002
From: OIL STATES INDUSTRIES, INC.
To: OIL STATES INDUSTRIES, INC.
Reel/Frame 012641/0475 →
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 →