,, -trifluorostyrene-based composite membranes | Patent Publication Number 20010056128

US 20010056128 A1
Patent NumberUS 06437011 B2
Application Number9901269
Filled DateJul 9, 2001
Priority DateSep 21, 1993
Publication DateDec 27, 2001
Original AssigneeBallard Power Systems
Current AssigneeBdf Ip Holdings Ltd.
Inventor/ApplicantsAlfred E. Steck
Charles Stone
Alfred E. Steck
Charles Stone
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