IP Library › Assignment 006678/0950
Patent Assignment
Reel/Frame 006678/0950

Assignment of Assignor's Interest

Recorded: 1993-08-20 Pages: 2
Assignors
PATEL, ARVIND D.
Executed: 1993-07-02
MCLAURINE, HENRY C.
Executed: 1993-07-02
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: 5,424,284 →
Application: 08/087,458 →
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 →