Patent Assignment
Reel/Frame 009444/0215
Assignment of Assignor's Interest
Recorded: 1998-09-02
Pages: 3
Assignor
PARTRIDGE, JEFFREY MICHAEL
Executed: 1998-09-01
Assignee
OIL STATES INDUSTRIES, INC.
7501 S. COOPER ST., ARLINGTON, TEXAS, 76001
Covered Property
(1)
Sensing Valve for Automatic Shutoff When a Substance Is Present in a Flow of Fluid
Patent:
5,960,811 →
Application:
09/145,664 →
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 →
Merger/Change of Name
Feb 19, 2002
From: OIL STATES INDUSTRIES, INC.
To: OIL STATES INDUSTRIES, INC.
Reel/Frame 012641/0475 →
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 →