Patent Assignment
Reel/Frame 024548/0198
Assignment of Assignor's Interest
Recorded: 2010-06-16
Pages: 3
Assignors
CARLSON, JAMES G.
Executed: 2008-09-23
KADOMA, IGNATIUS A.
Executed: 2008-08-18
WU, YONG K.
Executed: 2008-08-25
CRANDALL, MICHAEL D.
Executed: 2008-08-19
Assignee
3M INNOVATIVE PROPERTIES COMPANY
P.O. BOX 33427, SAINT PAUL, MINNESOTA, 55133-3427
Covered Property
(1)
Proppants and Uses Thereof
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.