WO200271519-A2 -- DE19930872-A1   SIEMENS AG (SIEI);  EMITEC GES EMISSIONSTECHNOLOGIE MBH (EMCE)   WAIDHAS M,  GEBHARDT U,  MUND K,  LUFT G;  DE19646354-C1   FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   PEINECKE V;  EP926754-A1   DE NORA SPA (ORON)   ANTONUCCI V,  ARICO A;  EP982788-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  CLINGERMAN B J,  MOWERY K D;  EP1001666-A2   BALLARD POWER SYSTEMS INC (BLRD)   EINHART J,  CREMER C;  EP926754-B1   DE NORA SPA (ORON)   ANTONUCCI V,  ARICO A;  EP1001666-B1   BALLARD POWER SYSTEMS INC (BLRD)   EINHART J,  CREMER C;  US4310605-A   ENGELHARD MINERALS CORP (ENGH)   EARLY J,  KAUFMAN A,  STAWSKY A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5521020-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US6156451-A   DU PONT DE NEMOURS & CO E I (DUPO)   SUMMERS J D,  BANERJEE S;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  WO2000024075-A1   ;  WO2002015309-A2   ;  US2004096710-A1 -- US4310605-A   ENGELHARD MINERALS CORP (ENGH)   EARLY J,  KAUFMAN A,  STAWSKY A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5521020-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US6156451-A   DU PONT DE NEMOURS & CO E I (DUPO)   SUMMERS J D,  BANERJEE S;  US20020192523-A1   ;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US7282284-B2 -- DE19930872-A1   SIEMENS AG (SIEI);  EMITEC GES EMISSIONSTECHNOLOGIE MBH (EMCE)   WAIDHAS M,  GEBHARDT U,  MUND K,  LUFT G;  DE19646354-C1   FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   PEINECKE V;  EP926754-A1   DE NORA SPA (ORON)   ANTONUCCI V,  ARICO A;  EP982788-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  CLINGERMAN B J,  MOWERY K D;  EP1001666-A2   BALLARD POWER SYSTEMS INC (BLRD)   EINHART J,  CREMER C;  US4310605-A   ENGELHARD MINERALS CORP (ENGH)   EARLY J,  KAUFMAN A,  STAWSKY A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5521020-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US6156451-A   DU PONT DE NEMOURS & CO E I (DUPO)   SUMMERS J D,  BANERJEE S;  US20020192523-A1   ;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  WO2000024075-A1   ;  WO2002015309-A2   ;  WO200271519-A3 -- EP627700-A2   SUN MICROSYSTEMS INC (SUNM)   DEERING M F;  EP422541-A3   HONEYWELL INC (HONE)   FISCHER D A,  GRAVES J A,  SNODGRASS T D;  US4949280-A   BATTELLE MEMORIAL INST (BATT)   LITTLEFIEL R J;  US5434968-A   KUBOTA CORP (KUBI)   MUKAI R,  NISHIMURA S,  KUNII T;  US5557711-A   HEWLETT-PACKARD CO (HEWP)   MALZBENDER T;  US5841444-A   SAMSUNG ELECTRONICS CO LTD (SMSU)   BUN H,  GYO K;  WO2000001154-A1