IP Library › Assignment 008763/0782
Patent Assignment
Reel/Frame 008763/0782

Change of Name

Recorded: 1997-10-20 Pages: 2
Assignor
M-I DRILLING FLUIDS, L.L.C.
Executed: 1997-07-27
Assignee
M-I L.L.C.
1201 LOUISIANA, HOUSTON, TEXAS, 77002
Covered Property (1)
Intrinsically Safe Data Acquisition System and Apparatus
Patent: 5,838,589 →
Application: 08/650,458 →
Related Assignments (2)
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 L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →