Patent Assignment
Reel/Frame 004302/0043
Assignment of Assignors Interest.
Recorded: 1984-07-13
Pages: 1
Assignor
TENG, CHUAN C.
Executed: 1984-07-13
Assignee
DAILEY PETROLEUM SERVICES CORPORATION A CORP OF TEXAS
2507 NORTH FRAXIER ST.,, CONROE, TEXAS, 77305
Covered Property
(1)
Shock Absorbing Drilling Tool
Patent:
4,600,062 →
Application:
06/630,777 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Feb 18, 1992
From: DAILEY PETROLEUM SERVICES CORP., A DE CORP.
To: FIRST INTERSTATE BANK OF TEXAS, N.A.
Reel/Frame 006036/0516 →
Merger Effective on 04/04/1983DE
Apr 3, 1992
From: DAILEY OIL TOOLS, INC., A CORP. OF TEXAS (MERGED INTO)
To: DAILEY, INC., A CORP. OF DELAWARE
Reel/Frame 006088/0293 →
Change of Name Effective on 06/13/1984
Apr 3, 1992
From: DAILEY, INC., A CORP. OF DELAWARE
To: DAILEY PETROLEUM SERVICES CORP., A CORP. OF DE
Reel/Frame 006088/0302 →
Assignment of Assignor's Interest
Jul 22, 1996
From: DAILEY PETROLEUM SERVICES CORP.
To: DAILEY PETROLEUM SERVICES CORP.
Reel/Frame 008040/0824 →
Security Agreement
Feb 9, 1998
From: DAILEY PETROLEUM SERVICES, CORP. (DEBTOR); WELLS FARGO BANK (TEXAS), N.A.
To: WELLS FARGO BANK (TEXAS), N.A.
Reel/Frame 008943/0314 →
Assignment of Assignor's Interest
Jul 18, 2000
From: DAILEY INTERNATIONAL, INC.
To: WEATHERFORD U.S. L.P.
Reel/Frame 010977/0150 →