Patent Assignment
Reel/Frame 018737/0041
Assignment of Assignor's Interest
Recorded: 2007-01-10
Pages: 3
Assignor
PATEL, ARVIND D.
Executed: 2001-08-29
Assignee
M-I L.L.C.
5950 NORTH COURSE DR., HOUSTON, TEXAS, 77072
Covered Property
(1)
Method for Using Reversible Phase Oil-Based Drilling Fluid