Patent Assignment
Reel/Frame 007938/0899
Assignment of Assignor's Interest
Recorded: 1996-03-27
Pages: 5
Assignors
PHILLIPS, VICTOR
Executed: 1996-03-21
CHANG, CHE-LIANG
Executed: 1996-03-21
MARTIN, TROY
Executed: 1996-03-21
Assignee
M-I DRILLING FLUIDS L.L.C.
2056 THREE GREENWAY PLAZA, HOUSTON, TEXAS, 77046
Covered Property
(1)
Centrifuge Control System and Method
Patent:
5,857,955 →
Application:
08/622,417 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 26, 2010
From: M-I HOLDINGS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0491 →
Change of Name
Oct 26, 2010
From: M-I DRILLING FLUIDS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0508 →
Change of Name
Oct 26, 2010
From: M-I L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →