Patent Assignment
Reel/Frame 004430/0088
Merger Effective Date: December 22, 1981, State of Incorp., Delaware, Effective Dec. 31, 1981
Recorded: 1985-07-15
Pages: 5
Assignor
BROWN OIL TOOLS, INC.
Executed: 1981-12-14
Assignee
Covered Properties
(2)
Double Acting Hydraulic Mechanism
Patent:
4,361,195 →
Application:
06/214,454 →
Single Acting Hydraulic Fishing Jar
Patent:
4,566,546 →
Application:
06/648,711 →
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger Effective Dec. 22, 1981 (Delaware)
Apr 5, 1982
From: BROWN OIL TOOLS, INC. A TX CORP.
To: HUGHES TOOL COMPANY A CORP. OF DE
Reel/Frame 003967/0348 →
Assignment of Assignors Interest.
Jul 15, 1985
From: HUGHES TOOL COMPANY
To: EVANS, ROBERT W., A CITIZEN OF THE UNITED STATES OF AMERICA
Reel/Frame 004430/0097 →
Assignment of Assignors Interest.
May 9, 1986
From: EVANS, ROBERT W.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF DE.
Reel/Frame 004544/0230 →
Assignment of Assignors Interest.
May 9, 1986
From: EVANS, ROBERT W.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF DE.
Reel/Frame 004544/0315 →
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 →