DE19755116-C1 -- DE4021097-A   SIEMENS AG (SIEI)   DRENCKHAHN W,  LEZUO A,  REITER K;  DE4318818-A1   DAIMLER-BENZ AG (DAIM)   FLECK W;  DE4446841-A1   MTU FRIEDRICHSHAFEN GMBH (MOTU)   KRAUS P,  HUPPMANN G;  DE4032993-C   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  EP629013-A2   DAIMLER-BENZ AG (DAIM)   FLECK W;  EP926756-A1 -- EP729196-A1   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   CAPRILE L,  CASIGLIA M,  PASQUALI C;  JP04144066-A   ;  JP05129029-A   ;  JP08241724-A   ;  JP08338260-A   ;  JP60028173-A   ;  US4128700-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US6190791-B1 -- DE4021097-A   SIEMENS AG (SIEI)   DRENCKHAHN W,  LEZUO A,  REITER K;  DE4318818-A1   DAIMLER-BENZ AG (DAIM)   FLECK W;  DE4446841-A1   MTU FRIEDRICHSHAFEN GMBH (MOTU)   KRAUS P,  HUPPMANN G;  DE4032993-C   MANNESMANN AG (MANS);  KTI GROUP BV (KTIK-Non-standard);  ASA BV (ASAA-Non-standard)   ANKERSMIT J H,  HENDRIKS R,  BLOMEN L J M J;  EP729196-A1   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   CAPRILE L,  CASIGLIA M,  PASQUALI C;  EP629013-A2   DAIMLER-BENZ AG (DAIM)   FLECK W;  JP04144066-A   ;  JP05129029-A   ;  JP08241724-A   ;  JP08338260-A   ;  JP60028173-A   ;  US3976507-A   UNITED TECHNOLOGIES CORP (UNAC);  US4128700-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4678723-A   INT FUEL CELLS CORP (ITFU)   WERTHEIM R J;  US4973528-A   INT FUEL CELLS CORP (ITFU)   SANDERSON R A;  US5084362-A   FAROOQUE M (FARO-Individual);  ENERGY RES CORP (ENER-Non-standard)   FAROOQUE M;  US5198311-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   NAKAZAWA K,  UEMATSU H,  HATORI S;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  EP926756-B1 -- EP729196-A1   FINMECCANICA AZIENDA ANSALDO SPA (FINM)   CAPRILE L,  CASIGLIA M,  PASQUALI C;  JP04144066-A   ;  JP05129029-A   ;  JP08241724-A   ;  JP08338260-A   ;  JP60028173-A   ;  US4128700-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V