Patent Assignment
Reel/Frame 021281/0370
Assignment of Assignor's Interest
Recorded: 2008-07-23
Pages: 8
Assignor
DRISTY, MARK E.
Executed: 1997-11-24
Assignee
PROTON ENERGY SYSTEMS, INC.
10 TECHNOLOGY DRIVE, WALLINGFORD, CONNECTICUT, 06492
Covered Property
(1)
Proton Exchange Membrane Electrochemical Cell System
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.