EP1178552-A2 -- DE19822689-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  WO2000004600-A1   ;  WO2000066487-A1   ;  DE10037825-A1 -- DE19545186-A1   SIEMENS AG (SIEI)   NOELSCHER C,  VOLLMAR H,  EDELMANN H,  SCHREPFER W;  DE19822689-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  DE19822691-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  DE19832389-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STROBEL B,  LIPPERT M,  HASSERT A,  SCHUESSLER M;  DE19903168-A1   XCELLSIS GMBH (XCEL-Non-standard)   BONEBERG S,  MOTZET B,  TISCHLER A,  WEISSER M;  DE19727588-C1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  STROBEL B,  ZUR MEGEDE D;  DE19754013-C2   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  BONEBERG S,  HEIL D,  SCHUESSLER M,  STROBEL B,  WIELAND S,  ZUR MEGEDE D;  DE3688990-G   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  EP861802-A2   MITSUBISHI DENKI KK (MITQ);  ENG ADVANCEMENT ASSOC JAPAN (ENGA-Non-standard)   GONJO Y,  SUGIMOTO T,  SATOH M;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  WO4600-A1   ;  US6667122-B2 -- DE19545186-A1   SIEMENS AG (SIEI)   NOELSCHER C,  VOLLMAR H,  EDELMANN H,  SCHREPFER W;  DE19754013-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  BONEBERG S,  HEIL D,  SCHUESSLER M,  STROBEL B,  WIELAND S,  ZUR MEGEDE D;  DE19822689-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  DE19822691-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  DE19832389-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STROBEL B,  LIPPERT M,  HASSERT A,  SCHUESSLER M;  DE19903168-A1   XCELLSIS GMBH (XCEL-Non-standard)   BONEBERG S,  MOTZET B,  TISCHLER A,  WEISSER M;  DE19727588-C1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SCHUESSLER M,  STROBEL B,  ZUR MEGEDE D;  DE3688990-G   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  EP861802-A2   MITSUBISHI DENKI KK (MITQ);  ENG ADVANCEMENT ASSOC JAPAN (ENGA-Non-standard)   GONJO Y,  SUGIMOTO T,  SATOH M;  US4352863-A   ENERGY RES CORP (ENER-Non-standard)   MARU H C;  US4670359-A   ENGELHARD MINERALS CORP (ENGH)   BESHTY B S,  WHELAN J A;  US5344721-A   TOSHIBA KK (TOKE)   MUNEUCHI A,  MURATA K;  US6120923-A   INT FUEL CELLS LLC (ITFU)   VAN DINE L L,  BONVILLE L J;  US6551732-B1   AIR PROD & CHEM INC (AIRP)   XU J;  WO2000004600-A1   ;  EP1178552-B1 -- DE19822689-A1   VOLKSWAGEN AG (VOLS)   DUEBEL O,  KOENIG A;  WO2000004600-A1   ;  WO2000066487-A1