IP Library › Assignment 006542/0364
Patent Assignment
Reel/Frame 006542/0364

Assignment of Assignor's Interest

Recorded: 1993-05-07 Pages: 2
Assignors
PATEL, ARVIND D.
Executed: 1993-05-06
MCLAURINE, HENRY C.
Executed: 1993-05-06
Assignee
M-I DRILLING FLUIDS COMPANY
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property (1)
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent: 5,350,740 →
Application: 08/059,453 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Apr 24, 1998
From: M-I DRILLING FLUIDS COMPANY, A TEXAS GENERAL PARTNERSHIP
To: M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
Reel/Frame 009227/0129 →
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 →