Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2006-08-22
2006-08-22
Bell, Bruce F. (Department: 1746)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S047000, C429S306000, C429S310000, C429S313000, C429S314000, C204S296000
Reexamination Certificate
active
07094490
ABSTRACT:
This invention relates to ion conductive copolymers which are useful in forming polymer electrolyte membranes used in fuel cells.
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Cao Shuguang
Chen Jian Ping
Jeanes Thomas
Nam Kie Hyun
Xu Helen
Bell Bruce F.
Dorsey & Whitney LLP
Polyfuel, Inc.
Trecartin Richard F.
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