Patent Assignment
Reel/Frame 020342/0097
Assignment of Assignor's Interest
Recorded: 2008-01-09
Pages: 3
Assignor
ARMSTRONG, DANIEL W.
Executed: 2007-05-29
Assignee
SIGMA-ALDRICH CO.
3050 SPRUCE ST., ST. LOUIS, MISSOURI, 63103
Covered Property
(1)
High Stability Diionic Liquid Salts
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.