IP Library › Assignment 009593/0466
Patent Assignment
Reel/Frame 009593/0466

Assignment of Assignor's Interest

Recorded: 1998-03-11 Pages: 2
Assignors
LEE, LIJIEN
Executed: 1998-03-10
PATEL, ARVIND D.
Executed: 1998-03-09
STAMATAKIS, EMANUEL
Executed: 1998-03-09
Assignee
M-I L.L.C.
1207 LOUISIANA ST., HOUSTON, TEXAS, 77072
Covered Property (1)
Glycol Based Drilling Fluid
Patent: 6,291,405 →
Application: 09/043,225 →
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 →