Patent Assignment
Reel/Frame 014325/0919
Assignment of Assignor's Interest
Recorded: 2004-02-10
Pages: 5
Assignors
SOCZKA-GUTH, THOMAS
Executed: 2004-01-29
KIEFER, JOACHIM
Executed: 2003-11-18
JORDT, FRAUKE
Executed: 2003-11-24
Assignee
CELANESE VENTURES GMBH
65926 FRANKFURT, GERMANY
Covered Property
(1)
Novel Membranes Having Improved Mechanical Properties, for Use in Fuel Cells
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.