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 US4272352-A   ASAHI GLASS CO LTD (ASAG)   JIZAIMARU T,  TANAKA H,  SAJIMA Y;  US4276146-A   GENERAL ELECTRIC CO (GENE)   COKER T G,  LACONTI A B;  US4294671-A   GENERAL ELECTRIC CO (GENE)   BALKO E N;  US4311523-A   LUYCKX L A (LUYC-Individual)   LUYCKX L A;  US4311568-A   GENERAL ELECTRIC CO (GENE);  ORONZIO DE NORA IMPIANTI ELETR (ORON)   BALKO E N;  US4311569-A   GENERAL ELECTRIC CO (GENE)   DEMPSEY R M,  FRAGALA A R,  LACONTI A B,  ENOS J F,  LA CONTI A B;  US4331523-A   SHOWA DENKO KK (SHOW)   KAWASAKI K;  US4333805-A   GENERAL ELECTRIC CO (GENE)   DAVIDSON C E,  SEDIAK J M;  US4360416-A   GENERAL ELECTRIC CO (GENE)   DAVIDSON C R,  SEDLAK J M;  US4373391-A   GENERAL ELECTRIC CO (GENE)   JOHNSON P D;  US4389297-A   PPG IND INC (PITT)   KORACH M;  US4394244-A   KERNFORSCHUNGSANLAGE JUELICH (KERJ)   DIVISEK J,  MERGEL J;  US4406752-A   GENERAL ELECTRIC CO (GENE)   WEININGER J L,  KIM B M;  US4414092-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   LU W T P,  GARCIA E R; 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 ORONZIO DE NORA IMPIANTI ELETR (ORON)   BALKO E N;  US4311569-A   GENERAL ELECTRIC CO (GENE)   DEMPSEY R M,  FRAGALA A R,  LACONTI A B,  ENOS J F,  LA CONTI A B;  US4331523-A   SHOWA DENKO KK (SHOW)   KAWASAKI K;  US4333805-A   GENERAL ELECTRIC CO (GENE)   DAVIDSON C E,  SEDIAK J M;  US4341607-A   EF TECHNOLOGY INC (EFTE-Non-standard)   TISON R R;  US4352722-A   GEN ATOMIC CO (GEAT)   OHKAWA T;  US4360416-A   GENERAL ELECTRIC CO (GENE)   DAVIDSON C R,  SEDLAK J M;  US4373391-A   GENERAL ELECTRIC CO (GENE)   JOHNSON P D;  US4389297-A   PPG IND INC (PITT)   KORACH M;  US4394244-A   KERNFORSCHUNGSANLAGE JUELICH (KERJ)   DIVISEK J,  MERGEL J;  US4406752-A   GENERAL ELECTRIC CO (GENE)   WEININGER J L,  KIM B M;  US4414092-A   WESTINGHOUSE ELECTRIC CORP (WESE);  US DEPT ENERGY (USAT)   LU W T P,  GARCIA E R;  US4444639-A   UHDE GMBH (UHDE)   SCHURIG H,  SCHMITT H;  US4447302-A   BOMIN BOCHUMER MINE (BOMI-Non-standard);  SCHNAPKA H (SCHN-Individual);  BRENNECKE P (BREN-Non-standard)   EWE H,  JUSTI E,  BRENNECKE P;  US4457824-A   GENERAL ELECTRIC CO (GENE)   DEMPSEY R M,  FRAGALA A R,  LACONTI A B,  ENOS J F;  US4490232-A   LAITRAM CORP (LAIT)   LAPEYRE J M;  US4588661-A   ENGELHARD CORP (ENGH)   KAUFMAN A,  WERTH J;  US4652502-A   INT FUEL CELLS INC (ITFU)   BREAULT R D,  DONAHUE J;  US4707229-A   UNITED TECHNOLOGIES CORP (UNAC)   DEMPSEY R M,  FRAGALA A R,  LACONTI A B,  ENOS J F;  US4715938-A   BILLINGS R E (BILL-Individual)   BILLINGS R E;  US4950371-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US5110541-A   ISHIKAWAJIMA HARIMA JUKOGYO KK (ISHI)   YAMAMASU Y,  MORITA T,  NAKANIWA S,  ICHIHARA M;  US5296109-A   UNITED TECHNOLOGIES CORP (UNAC)   CARLSON H A,  LEONIDA A,  MCELROY J F,  SHANE E M;  US5346778-A   ENERGY PARTNERS INC (ENER-Non-standard)   EWAN J M,  MISIASZEK S M,  ALESSI D P;  US5372689-A   UNITED TECHNOLOGIES CORP (UNAC)   CARLSON H A,  LEONIDA A,  MCELROY J F,  SHANE E M;  US5470448-A   UNITED TECHNOLOGIES CORP (UNAC)   MOLTER T M,  CRITZ K M;  US5640669-A   SUMITOMO ELECTRIC IND CO (SUME)   HARADA K,  ISHII M,  WATANABE K,  YAMANAKA S;  US5690797-A   MITSUBISHI CORP (MITS);  SHINKO PANTEC CO LTD (SHIA)   HARADA M,  SASAKI T,  HIRAI S,  YASUI S,  KOBAYASHI H,  NAGAO M;  US5837110-A   UNITED TECHNOLOGIES CORP (UNAC)   DEAN W C;  US5937264-A   DOW CHEM CO (DOWC)   WALLIN S A;  US6080501-A   MOTOROLA INC (MOTI)   KELLEY R J,  ARLEDGE J K,  MUTHUSWAMY S,  DAVIS J L,  PRATT S D;  US20010041281-A1   ;  US20020086195-A1   ;  US6309521-B1   LYNNTECH INC (LYNN-Non-standard)   ANDREWS C C,  MURPHY O J,  ROGERS T D;  US6916443-B2 -- DE19757320-A1   FORSCHUNGSZENTRUM JUELICH GMBH (KERJ)   HUNKEL D,  MARMANN A,  VOGEL R;  EP406831-A   SERE SRL (SERE-Non-standard);  DE NORA PERMELEC SPA (ORON);  DE NORA SPA (ORON)   BLANCHI G;  EP472922-A   FRAUNHOFER-GES FORD ANGE (FRAU)   AHN J,  LEDIEFF K;  EP791974-A1   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  POTTER R J;  GB1145250-A   ;  US3802878-A   TUDOR AB (TUDO);  LINDSTROM O B (LIND-Individual);  US3992271-A   GENERAL ELECTRIC CO (GENE)   DANZIG I F,  LA CONTI A B,  AMORE J M; 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 US5640669-A   SUMITOMO ELECTRIC IND CO (SUME)   HARADA K,  ISHII M,  WATANABE K,  YAMANAKA S;  US5837110-A   UNITED TECHNOLOGIES CORP (UNAC)   DEAN W C;  US5937264-A   DOW CHEM CO (DOWC)   WALLIN S A;  US20010041281-A1   ;  US20020086195-A1   ;  WO1999039840-A1   ;  WO1999039841-A1   ;  WO2001037359-A2