US2007202381-A1 -- US4440835-A   SOC LES PILES WONDER (SOPW)   VIGNAUD R;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US6057054-A   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US20020051902-A1   ;  US20030211378-A1   ;  US20030224237-A1   ;  US20040062958-A1   ;  US20040191604-A1   ;  US20040234831-A1   ;  US20050181262-A1   ;  US20070003821-A1   ;  US6423439-B1   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6610435-B1   AISIN SEIKI KK (AISE)   MARUYAMA T,  OKAZAKI H;  US6815114-B1   HELIOCENTRIS ENERGIESYSTEME GMBH (HELI-Non-standard)   LEU C,  BRONOLD M,  COLELL H;  EP1826849-A1 -- US20020051902-A1   ;  US20040191604-A1   ;  US6815114-B1   HELIOCENTRIS ENERGIESYSTEME GMBH (HELI-Non-standard)   LEU C,  BRONOLD M,  COLELL H;  WO2005020356-A1   JOHNSON MATTHEY PLC (JOHO)   BUCHE S,  HODGKINSON A J,  DE ROUFFIGNAC C H,  SHARMAN J D B;  WO2002065572-A2   ;  WO2007096012-A1 -- DE10028395-A1   NOK CORP (NIOD);  EP1693915-A1   ;  US20020051902-A1   ;  US20040191604-A1   ;  US6610435-B1   AISIN SEIKI KK (AISE)   MARUYAMA T,  OKAZAKI H;  US6815114-B1   HELIOCENTRIS ENERGIESYSTEME GMBH (HELI-Non-standard)   LEU C,  BRONOLD M,  COLELL H;  WO2002065572-A2   ;  US7862950-B2 -- DE10028395-A1   NOK CORP (NIOD);  EP1018177-A1   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  EP1156546-A1   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  EP1372203-A1   VANDERLEEDEN O R (VAND-Individual);  ZIMMERMAN J (ZIMM-Individual)   VANDERLEEDEN O R,  ZIMMERMAN J;  EP1693915-A1   ;  EP1241724-A2   ;  US4440835-A   SOC LES PILES WONDER (SOPW)   VIGNAUD R;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US6057054-A   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US20020051902-A1   ;  US20030211378-A1   ;  US20030224237-A1   ;  US20040062958-A1   ;  US20040191604-A1   ;  US20040234831-A1   ;  US20050181262-A1   ;  US20070003821-A1   ;  US6423439-B1   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6610435-B1   AISIN SEIKI KK (AISE)   MARUYAMA T,  OKAZAKI H;  US6815114-B1   HELIOCENTRIS ENERGIESYSTEME GMBH (HELI-Non-standard)   LEU C,  BRONOLD M,  COLELL H;  WO1999000446-A1   ;  WO2005020356-A1   JOHNSON MATTHEY PLC (JOHO)   BUCHE S,  HODGKINSON A J,  DE ROUFFIGNAC C H,  SHARMAN J D B;  WO2005029620-A1   UMICORE&CO AG KG (UMIC)   OSCHMANN H;  WO2002065572-A2   ;  WO2003096456-A2   3M INNOVATIVE PROPERTIES CO (MINN)   WALD D A,  LE J M,  YANDRASITS M A,  BOUCHER P M;  WO2004102721-A2   BALLARD POWER SYSTEMS INC (BLRD)   ARTIBISE R H,  FARRINGTON S;  EP1997177-B1 -- DE10028395-A1   NOK CORP (NIOD);  EP1693915-A1   ;  US20020051902-A1   ;  US20040191604-A1   ;  US6610435-B1   AISIN SEIKI KK (AISE)   MARUYAMA T,  OKAZAKI H;  US6815114-B1   HELIOCENTRIS ENERGIESYSTEME GMBH (HELI-Non-standard)   LEU C,  BRONOLD M,  COLELL H;  WO2002065572-A2