WO200063992-A1 -- EP301757-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  EP328115-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  EP743693-A1   SANYO ELECTRIC CO LTD (SAOL)   HAMADA A,  MATSUBAYASHI T,  NAKAOKA T,  MIYAKE Y,  NAKAJIMA T;  EP817297-A2   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  WO1998045889-A1   ;  WO1998033221-A2   ;  WO1999060640-A2   ;  EP1171926-B1 -- EP301757-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  EP328115-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  EP743693-A1   SANYO ELECTRIC CO LTD (SAOL)   HAMADA A,  MATSUBAYASHI T,  NAKAOKA T,  MIYAKE Y,  NAKAJIMA T;  EP817297-A2   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  WO1998045889-A1   ;  WO1998033221-A2   ;  WO1999060640-A2   ;  US6835477-B1 -- EP301757-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  EP328115-A   INT FUEL CELLS CORP (ITFU)   KUNZ H R;  EP743693-A1   SANYO ELECTRIC CO LTD (SAOL)   HAMADA A,  MATSUBAYASHI T,  NAKAOKA T,  MIYAKE Y,  NAKAJIMA T;  EP817297-A2   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US5635039-A   LYNNTECH INC (LYNN-Non-standard)   HITCHENS G D,  MURPHY O J,  CISAR A J,  GONZALEZ-MARTIN A;  US6015633-A   PLUG POWER LLC (PLUG-Non-standard)   CARLSTROM C M,  ACKER W P;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  WO1998045839-A1   ;  WO1999060640-A2   ;  KR778648-B1 -- KR2002020890-A   ;  KR2003022722-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   KUSAKABE H,  HATOH K,  OHARA H,  HASE N,  KOBAYASHI S,  YAMAZAKI T,  TAKEGUCHI S;  KR2003022723-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   HATOH K,  KUSAKABE H,  OHARA H,  KOBAYASHI S,  YAMAZAKI T,  HASE N,  TAKEGUCHI S;  JP4954375-B2 -- JP10055805-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  WO1998045889-A1