Patent Assignment
Reel/Frame 004569/0493
Assignment of Assignors Interest.
Recorded: 1986-07-03
Pages: 3
Assignor
AGNEW, JAMES W.
Executed: 1986-07-01
Assignee
MWL TOOL COMPANY
A CORP. OF DE, MIDLAND, TEXAS
Covered Property
(1)
Liner Hanger Assembly
Patent:
5,181,570 →
Application:
06/609,104 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 7, 1984
From: ALLWIN, ROGER P.
To: MWL TOOL AND SUPPLY COMPANY, A TX CORP.
Reel/Frame 004297/0596 →
Assignment of Assignors Interest.
Jul 3, 1986
From: MWL TOOL AND SUPPLY COMPANY, A CORP. OF TEXAS
To: MWL TOOL COMPANY
Reel/Frame 004569/0496 →
Change of Name
Dec 3, 1993
From: LINDSEY COMPLETION SYSTEMS, INC.
To: MASX ENERGY SERVICES GROUP, INC.
Reel/Frame 006783/0444 →
Assignment of Assignor's Interest
Jan 12, 1994
From: MASX ENERGY SERVICES GROUP, INC. (A DELAWARE CORPORATION)
To: SMITH INTERNATIONAL, INC. (A DELAWARE CORPORATION)
Reel/Frame 006822/0975 →