Patent Assignment
Reel/Frame 004144/0201
Assignment of Assignors Interest.
Recorded: 1983-06-20
Pages: 2
Assignor
TENG, CHUAN C.
Executed: 1983-05-02
Assignee
Covered Property
(1)
Well Jar Incorporatring Elongate Resilient Vibration Snubbers and Mounting Apparatus Therefor
Patent:
4,498,548 →
Application:
06/505,981 →
Related Assignments
(4)
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 →
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 →