GB2323700-A -- US4755429-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C,  WATSON P R;  US5187025-A   ANALYTIC POWER CORP (ANAL-Non-standard)   KELLAND J W,  BRAUN S G;  WO1994009520-A1   ;  DE19713250-A1 -- DE4309976-A1   DAIMLER-BENZ AG (DAIM)   SCHWAB C;  DE19542475-A1   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  DE4314745-C1   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6080503-A -- DE1964811-A   SIEMENS AG (SIEI);  DE4309976-A1   DAIMLER-BENZ AG (DAIM)   SCHWAB C;  DE19542475-A1   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  DE4314745-C1   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  DE4442285-C1   SIEMENS AG (SIEI)   GRUENE H,  BUCHNER P,  NEUMANN G;  EP83937-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   CHI C V,  LEONIDE A;  EP331128-A   INT FUEL CELLS CORP (ITFU)   ELMORE D E,  ROETHLEIN R J;  EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  EP122150-B   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  JP06724917-A   ;  JP07235314-A   ;  US4397917-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   CHI C V,  LEONIDE A;  US4505992-A   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  US4588660-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOO T,  DOI R,  YAMAGUCHI M,  TSUKUI T,  YOSHIOKA Y;  US4732637-A   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  US4755429-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C,  WATSON P R;  US4756981-A   INT FUEL CELLS CORP (ITFU)   BREAULT R,  RAJPOLT M,  TROCCIOLA J;  US4786568-A   INT FUEL CELLS CORP (ITFU)   ELMORE D E,  ROETHLEIN R J;  US5021284-A   TORAY IND INC (TORA)   MIWA K,  FUKUI H,  NOMA F;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5187025-A   ANALYTIC POWER CORP (ANAL-Non-standard)   KELLAND J W,  BRAUN S G;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5284718-A   BALLARD POWER SYSTEMS INC (BLRD)   RAMJI S,  WASHINGTON K B,  CHOW C Y,  WATKINS D S;  US5350643-A   HITACHI LTD (HITA)   IMAHASHI J,  HORIBA T,  MURANAKA T;  US5393619-A   UNIV CALIFORNIA (REGC)   KACHMITTER J L,  PEKALA R W,  MAYER S T,  FEIKERT J H;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  US5733678-A   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  US5858569-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G,  MEACHER J;  WO1994009520-A1   ;  GB2323700-B -- US4755429-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C,  WATSON P R;  US5187025-A   ANALYTIC POWER CORP (ANAL-Non-standard)   KELLAND J W,  BRAUN S G;  WO1994009520-A1   ;  DE19713250-C2 -- DE4309976-A1   DAIMLER-BENZ AG (DAIM)   SCHWAB C;  DE19542475-A1   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  DE4314745-C1   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6495278-B1 -- DE1964811-A   SIEMENS AG (SIEI);  DE4309976-A1   DAIMLER-BENZ AG (DAIM)   SCHWAB C;  DE19542475-A1   DAIMLER-BENZ AG (DAIM);  BALLARD POWER SYSTEMS INC (BLRD)   HARTMUT E;  DE4314745-C1   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  DE4442285-C1   SIEMENS AG (SIEI)   GRUENE H,  BUCHNER P,  NEUMANN G;  EP83937-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   CHI C V,  LEONIDE A;  EP122150-A   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  EP331128-A   INT FUEL CELLS CORP (ITFU)   ELMORE D E,  ROETHLEIN R J;  EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  JP07024917-A   ;  JP07235314-A   ;  US4397917-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   CHI C V,  LEONIDE A;  US4463068-A   ENGELHARD CORP (ENGH)   ADIHART O J,  COHN J G,  FEIGENBAUM H,  KAUFMAN A;  US4505992-A   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  US4588660-A   HITACHI LTD (HITA)   SHIMIZU T,  SATOO T,  DOI R,  YAMAGUCHI M,  TSUKUI T,  YOSHIOKA Y;  US4588661-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WERTH J;  US4732637-A   ENGELHARD CORP (ENGH)   DETTLING C J,  TERRY P L;  US4755429-A   INT FUEL CELLS CORP (ITFU)   NICKOLS R C,  WATSON P R;  US4756981-A   INT FUEL CELLS CORP (ITFU)   BREAULT R,  RAJPOLT M,  TROCCIOLA J;  US4786568-A   INT FUEL CELLS CORP (ITFU)   ELMORE D E,  ROETHLEIN R J;  US4938833-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  TERRY P L;  US5021284-A   TORAY IND INC (TORA)   MIWA K,  FUKUI H,  NOMA F;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5187025-A   ANALYTIC POWER CORP (ANAL-Non-standard)   KELLAND J W,  BRAUN S G;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5284718-A   BALLARD POWER SYSTEMS INC (BLRD)   RAMJI S,  WASHINGTON K B,  CHOW C Y,  WATKINS D S;  US5350643-A   HITACHI LTD (HITA)   IMAHASHI J,  HORIBA T,  MURANAKA T;  US5393619-A   UNIV CALIFORNIA (REGC)   KACHMITTER J L,  PEKALA R W,  MAYER S T,  FEIKERT J H;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  US5733678-A   FRAUNHOFER GES FOERDERUNG ANGEWANDTEN (FRAU)   LEDJEFF K,  NOLTE R;  US5858569-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G,  MEACHER J;  US6187466-B1   INT FUEL CELLS CORP (ITFU)   SCHROLL C R,  SCHEFFLER G W,  MARICLE D L;  WO1994009520-A1