Patent Assignment
Reel/Frame 007443/0797
Assignment of Assignor's Interest
Recorded: 1995-04-27
Pages: 3
Assignor
BAKER HUGHES INCORPORATED
Executed: 1995-01-09
Assignee
M-I DRILLING FLUIDS L.L.C.
THREE GREENWAY PLAZA, SUITE 2129, HOUSTON, TEXAS, 77046
Covered Properties
(3)
Method of Treating Waste Water
Patent:
4,536,293 →
Application:
06/323,052 →
Method Od Treating Waste Water
Patent:
4,447,330 →
Application:
06/476,400 →
Method of Rock Decontamination
Patent:
5,401,320 →
Application:
08/164,193 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 19, 1990
From: BABINEAUX, DAVID III
To: RESERVE PITS OF TEXAS, INC.,
Reel/Frame 005521/0606 →
Assignment of Assignors Interest.
Dec 21, 1990
From: RESERVE PITS OF TEXAS, INC.
To: BAKER HUGHES INCORPORATED
Reel/Frame 005548/0353 →
Assignment of Assignor's Interest
Dec 9, 1993
From: STAPLES, TONY P.
To: BAKER HUGHES INCORPORATED
Reel/Frame 006795/0987 →
Change of Name
Aug 14, 1998
From: M-I DRILLING FLUIDS L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
To: M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Reel/Frame 009375/0719 →