IP Library Assignment 008589/0587
Patent Assignment
Reel/Frame 008589/0587

Assignment of Assignor's Interest

Recorded: 1997-05-23 Pages: 2
Assignor
Assignee
M-I DRILLING FLUIDS L.L.C.
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property (1)
Invert Emulsion Fluids Suitable for Drilling
Patent: 5,905,061 →
Application: 08/862,198 →
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Re-Record to Correct the Conveying Party's Name Previously Recorded at Reel 8589, Frame 0587. Sep 8, 1997
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS, L.L.C.
Reel/Frame 008699/0454 →
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 →