Patent Assignment
Reel/Frame 013201/0529
Assignment of Assignor's Interest
Recorded: 2002-08-14
Pages: 3
Assignors
SHINBACH, MADELINE P.
Executed: 2002-08-14
NWABUNMA, DOMASIUS
Executed: 2002-08-14
CHAN, HUA T.
Executed: 2002-08-14
D'SOUZA, ANDREW
Executed: 2002-08-14
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, ST. PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Drilling Fluid Containing Microspheres and Use Thereof