US2003228501-A1 -- US4652501-A   KINGS COLLEGE LONDO (UNLO)   BENNETTO H P,  DELANEY G M,  MASON J R,  STIRLING J L,  ROLLER S,  THURSTON C F,  WHITE D R;  US4988283-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAGASAWA M,  MIWA H;  US5260143-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  US6096448-A   BALLARD POWER SYSTEMS INC (BLRD);  ALLAN P J (ALLA-Individual)   ALLAN D E,  WILKINSON D P,  CHOW C Y F,  JOHANNES E P,  ROBERTS J A,  ST-PIERRE J,  LONGLEY C J,  CHAN J K K;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US6391485-B1   UTC FUEL CELLS LLC (UNAC)   PERRY M L;  WO2003105259-A2 -- EP1284514-A2   ASIA PACIFIC FUEL CELL TECHNOLOGIES LTD (ASPA-Non-standard)   JEFFERSON Y Y;  JP2002151115-A   ;  US3338747-A   ;  US5260143-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  US20010028966-A1   ;  WO2002037588-A1   ;  WO2001061777-A2   ;  US7122257-B2 -- EP1284514-A2   ASIA PACIFIC FUEL CELL TECHNOLOGIES LTD (ASPA-Non-standard)   JEFFERSON Y Y;  JP2002151115-A   ;  US3338747-A   ;  US4652501-A   KINGS COLLEGE LONDO (UNLO)   BENNETTO H P,  DELANEY G M,  MASON J R,  STIRLING J L,  ROLLER S,  THURSTON C F,  WHITE D R;  US4988283-A   FUJI ELECTRIC MFG CO LTD (FJIE)   NAGASAWA M,  MIWA H;  US5260143-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  US6096448-A   BALLARD POWER SYSTEMS INC (BLRD);  ALLAN P J (ALLA-Individual)   ALLAN D E,  WILKINSON D P,  CHOW C Y F,  JOHANNES E P,  ROBERTS J A,  ST-PIERRE J,  LONGLEY C J,  CHAN J K K;  US20010028966-A1   ;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US6391485-B1   UTC FUEL CELLS LLC (UNAC)   PERRY M L;  WO2002037588-A1   ;  WO2001061777-A2   ;  JP4590261-B2 -- JP09312167-A   ;  JP11040178-A   ;  JP11191423-A   SANYO ELECTRIC CO LTD (SAOL)   YOSHIMOTO Y,  YASUO K,  HAMADA A,  MIYAKE Y;  JP2002008691-A   DENSO CORP (NPDE)   KATO H,  HOTTA N,  OKAMOTO K,  TERAO T,  KAWAGUCHI K,  UEHARA M;  JP2002015760-A   EQUOS RES KK (EQUS)   MUNEHISA H,  NORIYUKI T;  JP2002151115-A   ;  US6093502-A   PLUG POWER INC (PLUG-Non-standard)   CARLSTROM C M,  MAYNARD W B;  WO2002037588-A1