WO2005028710-A1 -- CA2053278-A1   DE NORA PERMELEC SPA (ORON);  DOW CHEM CO (DOWC)   MORRIS G J,  BORRIONE P A,  LEONI U;  US6007933-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O;  US2005115825-A1 -- US3801374-A   UNITED AIRCRAFT CORP (UNAC);  US4214969-A   GENERAL ELECTRIC CO (GENE);  UNITED TECHNOLOGIES CORP (UNAC)   LAWRANCE R J;  US4340452-A   ORONZIO DE NORA ELET (ORON)   DENORA O;  US4988583-A   CANADA MIN NAT DEFENCE (MIND);  CANADIAN GOVERNMENT (CNDG)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5419980-A   HONDA GIKEN KOGYO KK (HOND)   OKAMOTO T,  BABA I,  KAWAGOE N,  TANAKA M,  KATO H;  US5566001-A   MOTOROLA INC (MOTI)   SAIDI A,  MERCHANT Z,  JASINSKI L;  US5578388-A   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  US5606242-A   DURACELL INC (MALO)   HULL M P,  TAYLOR A H,  HRUSKA L W,  FRIEL D D;  US5690797-A   MITSUBISHI CORP (MITS);  SHINKO PANTEC CO LTD (SHIA)   HARADA M,  SASAKI T,  HIRAI S,  YASUI S,  KOBAYASHI H,  NAGAO M;  US5750281-A   BALLARD POWER SYSTEMS INC (BLRD)   JAMES G A,  RAMJI S N,  KENNA J T,  WASHINGTON K B;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5789094-A   KANSAI DENRYOKU KK (KANT);  MITSUBISHI ELECTRIC CORP (MITQ)   KUSUNOKI H,  OTSUKI S,  KIKUOKA Y,  OKADA T,  MATSUMURA M,  SHINOKI T,  MUKAI M,  YAGI T;  US5977249-A   WACKER CHEM GMBH (WACK)   KAMMERER J,  KOVAR I,  MATEJCEK K,  BOSCH E,  STRASSBERGER W;  US6007933-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O;  US6017648-A   PLUG POWER LLC (PLUG-Non-standard)   JONES D O;  US6066409-A   BALLARD POWER SYSTEMS INC (BLRD)   BARTON R H,  GIBB P R,  RONNE J A,  VOSS H H;  US6080503-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  US6099984-A   GENERAL MOTORS CORP (GENK)   ROCK J A;  US20010049044-A1   ;  US20020020623-A1   ;  US20020172852-A1   ;  US20030118882-A1   ;  US20040131902-A1   ;  US20040146755-A1   ;  US6207312-B1   ENERGY PARTNERS LC (ENER-Non-standard)   WYNNE R K,  NEUTZLER J K,  BARBIR F,  GURAU V,  PIERCE W E;  US6255011-B1   HONDA MOTOR CO LTD (HOND)   FUJII Y,  SUZUKI S;  US6261711-B1   PLUG POWER INC (PLUG-Non-standard)   MATLOCK R R,  BUESING D G;  US6309773-B1   GENERAL MOTORS CORP (GENK)   ROCK J A;  US6410179-B1   PLUG POWER INC (PLUG-Non-standard)   BOYER J R,  CANFIELD F L,  ZEMSKY J L;  US6451464-B1   IDATECH LLC (BLRD)   EDLUND D J,  PLEDGER W A;  US6500580-B1   PLUG POWER INC (PLUG-Non-standard)   MARVIN R H,  CARLSTROM C M;  US6619054-B1   HYDROGENICS CORP (HYDR-Non-standard)   CARGNELLI J,  GOPAL R B,  YE J;  US6673480-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US6566001-B2   HONDA GIKEN KOGYO KK (HOND)   YOSIDA T,  MORIYA T,  KATO H;  US6864004-B2   WILSON M S (WILS-Individual);  RAMSEY J C (RAMS-Individual)   WILSON M S,  RAMSEY J C;  EP1678348-A1 -- US20010049044-A1   ;  WO1999067447-A1