WO200161777-A2 -- EP817297-A2   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US5578388-A   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  WO1997013287-A2   ;  WO1998033221-A2   ;  WO2000069003-A2   ;  US2001033956-A1 -- US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US6372376-B1   GENERAL MOTORS CORP (GENK)   FRONK M H,  BORUP R L,  BRADY B K,  CUNNINGHAM K M,  HULETT J S;  US6770394-B2 -- EP709907-A1   CANON KK (CANO)   KAWAKAMI S,  MISHINA S,  KOBAYASHI N,  ASAO M;  EP817297-A2   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US3801374-A   UNITED AIRCRAFT CORP (UNAC);  US3969145-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E,  GELTING R L;  US4058482-A   UNITED TECHNOLOGIES CORP (UNAC)   BARIS J M,  IACOVANGELO C D,  VOGEL W M;  US4192906-A   ENERGY RES CORP (ENER-Non-standard)   MARU H C;  US4316944-A   UNITED TECHNOLOGIES CORP (UNAC)   LANDSMAN D A,  LUCZAK F J;  US4447506-A   UNITED TECHNOLOGIES CORP (UNAC);  INT FUEL CELLS CORP (ITFU)   LUCZAK F J,  LANDSMAN D A;  US4610938-A   ELECTRIC POWER RES INST INC (ELPO)   APPLEBY A J;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4818741-A   ELECTRIC POWER RES INST INC (ELPO)   HERSCOVICI C;  US4876115-A   US DEPT ENERGY (USAT)   RAISTRICK I D;  US4882232-A   SORAPEC SOC RECH (SORA-Non-standard)   BUGNET B,  DONIAT D;  US4988583-A   CANADA MIN NAT DEFENCE (MIND);  CANADIAN GOVERNMENT (CNDG)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5211984-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5234777-A   US DEPT ENERGY (USAT)   WILSON M S;  US5242764-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US5318863-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US5364712-A   HUGHES AIRCRAFT CO (HUGA)   TOWNSEND C W;  US5397655-A   SIEMENS AG (SIEI)   BETTE W,  LERSCH J,  MATTEJAT A,  STRASSER K;  US5441819-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US5472801-A   SIEMENS AG (SIEI)   STRASSER K,  SAHLER R,  MATTEJAT A; 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 US6103319-A   SUMITOMO ELECTRIC IND CO (SUME);  MATSUSHITA ELECTRIC IND CO LTD (MATU)   HARADA K,  WATANABE K,  YAMANAKE S,  HAYASHI K,  MORISHITA N,  TAKESHIMA H,  KAIYA H,  IKOMA M;  US6132895-A   MOTOROLA INC (MOTI)   PRATT S D,  KELLEY R J,  DAVIS J L,  MUTHUSWAMY S;  US6146780-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J;  US6171721-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   NARAYANAN S R,  JEFFRIES-NAKAMURA B,  CHUN W,  RUIZ R P,  VALDEZ T I;  US6176984-B1   SRI INT (STRI)   NARANG S,  VENTURA S,  KOOLPE G;  US6232010-B1   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  CISAR A J,  MURPHY O J,  SIMPSON S,  MOADDEL H,  JENG K,  WENG D;  US6372376-B1   GENERAL MOTORS CORP (GENK)   FRONK M H,  BORUP R L,  BRADY B K,  CUNNINGHAM K M,  HULETT J S;  WO1997024474-A1   ;  WO2000072373-A1   ;  WO1997013287-A2   ;  WO1998033221-A2   ;  WO2000069003-A2   ;  WO2001015257-A2   ;  US2004241063-A1 -- US3801374-A   UNITED AIRCRAFT CORP (UNAC);  US3969145-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E,  GELTING R L; 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 US5318863-A   BCS TECHNOLOGY INC (BCST-Non-standard)   DHAR H P;  US5364712-A   HUGHES AIRCRAFT CO (HUGA)   TOWNSEND C W;  US5397655-A   SIEMENS AG (SIEI)   BETTE W,  LERSCH J,  MATTEJAT A,  STRASSER K;  US5441819-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US5472801-A   SIEMENS AG (SIEI)   STRASSER K,  SAHLER R,  MATTEJAT A;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5521018-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  LAMONT G J,  VOSS H H,  SCHWAB C;  US5537363-A   NOVATECH INC (NOVA-Non-standard)   HOLCOMB R R;  US5547551-A   GORE & ASSOC INC W L (GORE)   ZUCKERBROD D,  HOBSON A R,  BAHAR B,  KOLDE J A;  US5547776-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  CHOW C Y,  POW E G,  WOZNICZKA B M,  VOSS H H,  HORNBURG G;  US5578388-A   DE NORA PERMELEC SPA (ORON)   FAITA G,  MANTEGAZZA C;  US5584983-A   STORK SCREENS BV (STRK)   PRUYN W A;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5861222-A   DEGUSSA AG (DEGS)   FISCHER A,  WENDT H,  ZUBER R;  US5981098-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G;  US6022634-A   DE NORA SPA (ORON)   RAMUNNI E,  FLEBA G,  BRAMBILLA M;  US6103319-A   SUMITOMO ELECTRIC IND CO (SUME);  MATSUSHITA ELECTRIC IND CO LTD (MATU)   HARADA K,  WATANABE K,  YAMANAKE S,  HAYASHI K,  MORISHITA N,  TAKESHIMA H,  KAIYA H,  IKOMA M;  US6133895-A   KENT DISPLAYS INC (KENT-Non-standard)   HUANG X;  US6146780-A   LYNNTECH INC (LYNN-Non-standard)   CISAR A J,  MURPHY O J;  US6171721-B1   CALIFORNIA INST OF TECHNOLOGY (CALY)   NARAYANAN S R,  JEFFRIES-NAKAMURA B,  CHUN W,  RUIZ R P,  VALDEZ T I;  US6176984-B1   SRI INT (STRI)   NARANG S,  VENTURA S,  KOOLPE G;  US6232010-B1   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  CISAR A J,  MURPHY O J,  SIMPSON S,  MOADDEL H,  JENG K,  WENG D