WO9612316-A1 -- US5116695-A   ;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5132174-A   INT FUEL CELLS CORP (ITFU)   ROMANOWSKI W E,  KOCUM F A;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5683828-A -- US3468712-A   ;  US4330274-A   FRIEDMAN J (FRIE-Individual)   FRIEDMAN J,  ZETENA M F;  US5116695-A   ;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5132174-A   INT FUEL CELLS CORP (ITFU)   ROMANOWSKI W E,  KOCUM F A;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5858567-A -- US3468712-A   ;  US3489614-A   ALLIS-CHALMERS MFG CO (ALCM);  US3530005-A   ALLIS-CHALMERS MFG CO (ALCM);  US3634139-A   ;  US3746578-A   ;  US3755000-A   ;  US3814631-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US3901731-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4048385-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4074020-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4124478-A   TSIEN H C (TSIE-Individual)   TSIEN H C,  SHROPSHIRE J A,  VENERO A F;  US4210512-A   GENERAL ELECTRIC CO (GENE)   LAWRANCE R J,  RUSSELL J H;  US4403018-A   ELECTROCHEM ENERGIECONVERSIE (ELEC-Non-standard)   ALFENAAR M,  LEIJEN J J P,  SCHLOESSER W J;  US4444851-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   MARU H C;  US4590134-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZAWSKI B,  FAUVEL P,  ARLIE J;  US4590135-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZAWSKI B,  FAUVEL P,  DUPRE S;  US4604332-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZEWSKI B,  FAUVEL P,  DUPRE S;  US4640876-A   OCCIDENTAL CHEM CORP (OCCI)   WARZAWSKI B,  FAUVEL P;  US4687607-A   KUREHA CHEM IND CO LTD (KURE)   SHIGETA M,  FUKUDA H,  SAITO K;  US4718997-A   EXXON RES & ENG CO (ESSO)   GRIMES P G,  EINSTEIN H,  BELLOWS R J;  US4743519-A   KUREHA KAGAKU KOGYO KK (KURE)   KAJI H,  SAITOH K;  US4758481-A   OCCI CHEM CORP (OCCI);  FAUVEL P (FAUV-Individual)   FAUVEL P;  US4778736-A   KUREHA KAGAKU KOGYO KK (KURE)   HIGATSUGU K,  KUNIYUKI S;  US4869800-A   MESSERSCHMITT-BOLKOW-BLO (MESR)   HOFMANN H,  WENDT H;  US4898699-A   MESSERSCHMITT-BOLKOW-BLO (MESR)   HOFMANN H,  WENDT H;  US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5116695-A   ;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5132174-A   INT FUEL CELLS CORP (ITFU)   ROMANOWSKI W E,  KOCUM F A;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5356731-A   ECN STICHT ENERGIEO (ECNE-Non-standard)   SITTERS E F,  PLOMP L;  US5382478-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B M,  CHOW C Y;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5527363-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  LAMONT G J,  VOSS H H,  SCHWAB C;  US5863671-A -- US3468712-A   ;  US3489614-A   ALLIS-CHALMERS MFG CO (ALCM);  US3530005-A   ALLIS-CHALMERS MFG CO (ALCM);  US3634139-A   ;  US3746578-A   ;  US3755000-A   ;  US3814631-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US3901731-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4048385-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4074020-A   ALSTHOM SOC GEN CONSTR ELEC (ALST);  US4124478-A   TSIEN H C (TSIE-Individual)   TSIEN H C,  SHROPSHIRE J A,  VENERO A F;  US4210512-A   GENERAL ELECTRIC CO (GENE)   LAWRANCE R J,  RUSSELL J H;  US4330274-A   FRIEDMAN J (FRIE-Individual)   FRIEDMAN J,  ZETENA M F;  US4403018-A   ELECTROCHEM ENERGIECONVERSIE (ELEC-Non-standard)   ALFENAAR M,  LEIJEN J J P,  SCHLOESSER W J;  US4444851-A   ENERGY RES CORP (ENER-Non-standard);  SANYO ELECTRIC CO (SAOL)   MARU H C;  US4590134-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZAWSKI B,  FAUVEL P,  ARLIE J;  US4590135-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZAWSKI B,  FAUVEL P,  DUPRE S;  US4604332-A   ALSTHOM ATLANTIQUE (ALST);  OCCIDENTAL CHEM CORP (OCCI)   WARSZEWSKI B,  FAUVEL P,  DUPRE S;  US4640876-A   OCCIDENTAL CHEM CORP (OCCI)   WARZAWSKI B,  FAUVEL P;  US4687607-A   KUREHA CHEM IND CO LTD (KURE)   SHIGETA M,  FUKUDA H,  SAITO K;  US4718997-A   EXXON RES & ENG CO (ESSO)   GRIMES P G,  EINSTEIN H,  BELLOWS R J;  US4743519-A   KUREHA KAGAKU KOGYO KK (KURE)   KAJI H,  SAITOH K;  US4758481-A   OCCI CHEM CORP (OCCI);  FAUVEL P (FAUV-Individual)   FAUVEL P;  US4778736-A   KUREHA KAGAKU KOGYO KK (KURE)   HIGATSUGU K,  KUNIYUKI S;  US4869800-A   MESSERSCHMITT-BOLKOW-BLO (MESR)   HOFMANN H,  WENDT H;  US4898699-A   MESSERSCHMITT-BOLKOW-BLO (MESR)   HOFMANN H,  WENDT H;  US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5116695-A   ;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5132174-A   INT FUEL CELLS CORP (ITFU)   ROMANOWSKI W E,  KOCUM F A;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5356731-A   ECN STICHT ENERGIEO (ECNE-Non-standard)   SITTERS E F,  PLOMP L;  US5382478-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B M,  CHOW C Y;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US6051331-A -- US5116695-A   ;  US5116696-A   GEBR SULZER AG (SULZ)   BARP B;  US5132174-A   INT FUEL CELLS CORP (ITFU)   ROMANOWSKI W E,  KOCUM F A;  US5192627-A   ENERGY PARTNERS INC (ENER-Non-standard)   PERRY J H,  PERSON A,  MISIASZEK S M,  ALESSI D P;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5858567-A   AEROJET GEN CORP (AERG)   SPEAR R G,  MUEGGENBURG H H,  HODGE R;  MY132589-A -- US3468712-A   ;  US5108849-A   CANADA MIN NAT DEFENCE (MIND)   WATKINS D S,  DIRCKS K W,  EPP D G;  US5230966-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  CHOW C Y;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B