Patent Assignment
Reel/Frame 003805/0356
Assignment of Assignors Interest.
Recorded: 1980-10-03
Pages: 3
Assignor
LINDSEY HIRAM E. JR.
Executed: 1979-12-19
Assignee
MWL TOOL AND SUPPLY COMPANY
A CORP. OF TEXAS, MIDLAND, TEXAS
Covered Property
(1)
Setting Tools and Liner Hanger Assembly
Patent:
4,287,949 →
Application:
06/109,979 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →