WO2004107474-A2 -- EP279072-A   INT FUEL CELLS CORP (ITFU)   BRIGGS T A;  EP629015-A1   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  EP279072-B1   INT FUEL CELLS CORP (ITFU)   BRIGGS T A;  EP629015-B1   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  US6440594-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  NARAYANAN S R,  VALDEZ T I;  US2007054163-A1 -- US4938833-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  TERRY P L;  US6001502-A   PLUG POWER LLC (PLUG-Non-standard)   WALSH M M;  US20010026884-A1   ;  US20050026025-A1   ;  US6426161-B1   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J,  JENG K,  SALINAS C,  SIMPSON S,  WENG D;  US6440594-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  NARAYANAN S R,  VALDEZ T I;  US7235315-B2   BALLARD POWER SYSTEMS INC (BLRD)   KNIGHTS S D,  DE VAAL J W,  LAURITZEN M V,  WILKINSON D P;  US8067131-B2 -- DE3779615-T2   INT FUEL CELLS CORP (ITFU)   BRIGGS T A;  DE69429304-T2   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  EP279072-A   INT FUEL CELLS CORP (ITFU)   BRIGGS T A;  EP629015-A1   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  EP1117142-A1   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GYOTEN H,  YASUMOTO E,  UCHIDA M,  SUGAWARA Y,  NISHIDA K,  HATOH K,  ONO Y,  OHARA H,  MORITA J,  TAKEBE Y,  KANBARA T,  SAKAI O;  EP1154505-A1   ASAHI GLASS CO LTD (ASAG)   YOSHITAKE M,  KUNISA Y,  ENDOH E,  YANAGISAWA E;  EP1070361-B1   PLUG POWER LLC (PLUG-Non-standard)   ERNST W D,  MITTLEMAN G;  US4938833-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  TERRY P L;  US6001502-A   PLUG POWER LLC (PLUG-Non-standard)   WALSH M M;  US20010026884-A1   ;  US20050026025-A1   ;  US6426161-B1   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J,  JENG K,  SALINAS C,  SIMPSON S,  WENG D;  US6440594-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  NARAYANAN S R,  VALDEZ T I;  US7235315-B2   BALLARD POWER SYSTEMS INC (BLRD)   KNIGHTS S D,  DE VAAL J W,  LAURITZEN M V,  WILKINSON D P;  WO2004107474-A3 -- EP215971-A   ALLIED CORP (ALLC)   FLAM R P;  US3803625-A   INT TELEPHONE TELEG CORP (INTT);  US4761653-A   THORN EMI PLC (THOE)   OWENS R P,  TOMLINSON J;  US5896105-A   NORTHROP GRUMMAN CORP (NOTH)   MURPHY J H,  KLINE L E,  NATHANSON H C,  WINSOR H V;  WO1998056068-A1