US2003035986-A1 -- US4966528-A   ABEL-PUMPEN GMBH (ABEL-Non-standard)   HENKEL W E,  STAPELFELD V,  BELLING D;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5855761-A   CERAMATEC INC (CERA-Non-standard)   JOSHI A V;  US5951538-A   CERAMATEC INC (CERA-Non-standard);  US20020119353-A1   ;  US20020150801-A1   ;  US6491684-B1   JOSHI A V (JOSH-Individual);  ZECEVIC S K (ZECE-Individual)   JOSHI A V,  ZECEVIC S K;  US6536551-B1   TOYOTA JIDOSHA KK (TOYT)   TANAKA T,  HOSOYA I,  HIRAKATA S;  US6846587-B2 -- JP03113188-A   ;  JP08045517-A   ;  JP10055813-A   ;  JP11154522-A   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP2000133290-A   ;  US4824340-A   ;  US4966528-A   ABEL-PUMPEN GMBH (ABEL-Non-standard)   HENKEL W E,  STAPELFELD V,  BELLING D;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US5773160-A   BALLARD POWER SYSTEMS INC (BLRD)   FLETCHER N J,  VOSS H H,  JOHNSON M C,  POW E G,  WILKINSON D P;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5840438-A   BALLARD POWER SYSTEMS INC (BLRD)   JOHNSON M C,  WILKINSON D P,  ASMAN C P,  BOS M L,  POTTER R J;  US6132449-A   AGILENT TECHNOLOGIES INC (AGIL)   LUM P,  VERDONK E D,  GREENSTEIN M,  KEELY-TEMPLIN C,  LEONARD L A,  FREEMAN D M;  US6149810-A   LYNNTECH INC (LYNN-Non-standard)   GONZALEZ-MARTIN A,  SALINAS C E,  HITCHENS G D,  MURPHY O J,  CISAR A J;  US20020119353-A1   ;  US20020150801-A1   ;  US20030035986-A1   ;  US6200698-B1   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M;  US6265093-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US6360835-B1   GENERAL MOTORS CORP (GENK)   SKALA G W;  US6436562-B1   EMPRISE TECHNOLOGY ASSOC CORP (EMPR-Non-standard)   DUBOSE R A;  US6447945-B1   GEN ATOMICS (GEAT)   STRECKERT H H,  BLUE L P,  KLUNKER J;  US6464846-B1   GINER ELECTROCHEMICAL SYSTEMS LLC (GINE-Non-standard)   TITTERINGTON W A;  US6536551-B1   TOYOTA JIDOSHA KK (TOYT)   TANAKA T,  HOSOYA I,  HIRAKATA S;  US6569298-B2   MERIDA-DONIS W R (MERI-Individual)   MERIDA-DONIS W R;  JP3616078-B2 -- JP09259912-A   ;  JP2000314376-A   MANNESMANN AG (MANS)   HERDEG W,  KLOS H,  SATTLER M,  WILHELM H,  HABRICH J,  ECK K,  ZAPP T,  KEUTZ M;  JP2003031251-A   HONDA GIKEN KOGYO KK (HOND)   IMASEKI M,  USHIO T,  SHIMOYAMA Y;  JP3036050-B2   ;  JP87122176-U