;  US6746790-B2 -- EP700110-A1   EFL ELECTRIC FUEL LTD (EFLE-Non-standard)   DECHOVICH B,  HARATS Y,  GOLDSTEIN J R,  KORETZ B,  KORALL M;  US2843806-A   ;  US3290176-A   ;  US3395047-A   ;  US3716413-A   ;  US3964930-A   UNITED TECHNOLOGIES CORP (UNAC)   REISER C A;  US4177327-A   MALLORY & CO INC P R (MALO)   MATHEWS J P,  SMITH M J;  US4257552-A   DYNAMIC CONTROLS CORP (DYNA-Non-standard)   FARKAS T P,  BURR G D;  US4324844-A   WESTINGHOUSE ELECTRIC CORP (WESE)   KOTHMANN R E;  US4475152-A   TOKYO SHIBAURA DENKI KK (TOKE)   IKEGAME H,  TAKAHASHI T,  KOBAYASHI S;  US4728808-A   ;  US4735871-A   ;  US4774631-A   FUJITSU LTD (FUIT);  OKUYAMA K (OKUY-Individual)   OKUYAMA K,  ARAI S,  ISHIWATA M;  US4824740-A   INT FUEL CELLS CORP (ITFU)   ABRAMS M L,  DAQUILA D L,  SCHEFFLER G W;  US4913983-A   DREISBACH ELECTROMO (DREI-Non-standard)   CHEIKY M C;  US4957826-A   DREISBACH ELECTROMO (DREI-Non-standard);  DRACEBACK ELECTROMO (DRAC-Non-standard)   CHEIKY M C;  US5041344-A   FUJI ELECTRIC CORP RES & DEV (FUEL)   KAMOSHITA T,  HIROTA T,  YAMAMOTO O,  KONDO K,  UJIIE T;  US5082753-A   FUJI ELECTRIC MFG CO LTD (FJIE)   SHIMIZU H,  OZAWA Y;  US5136856-A   FUJITSU LTD (FUIT)   YAMAMOTO H,  FUJISAKI A;  US5237484-A   TANDEM COMPUTERS INC (TAND)   FERCHAU J,  TRUJILLO V;  US5354625-A   AER ENERGY RESOURCES INC (AERE-Non-standard)   BENTZ R D,  PEDICINI C S,  SCOTT W;  US5424143-A   ;  US5467607-A   AMERICAN TELEPHONE & TELEGRAPH CO (AMTT)   HARVEY W J;  US5469331-A   CONWAY H E (CONW-Individual);  BOURDELAISE R A (BOUR-Individual)   CONWAY H E,  BOURDELAISE R A;  US5483108-A   FRANCE TELECOM (ETFR)   GIRARD J,  MARQUET D;  US5487955-A   EFL ELECTRIC FUEL LTD (EFLE-Non-standard)   DECHOVICH B,  HARATS Y,  GOLDSTEIN J R,  KORETZ B,  KORALL M;  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;  US5565716-A   ;  US5582929-A   EFL ELECTRIC FUEL LTD (EFLE-Non-standard)   DECHOVICH B;  US5657641-A   KOOLTRONIC INC (KOOL-Non-standard)   CUNNINGHAM J J,  MUZIKANT B,  REZNIK S;  US5753384-A   EFL ELECTRIC FUEL LTD (EFLE-Non-standard)   KIMBERG S;  US5777398-A   COMPOWER OY (COMP-Non-standard)   SUORANTA S,  VALKEAKARI J;  US5790391-A   GENERAL SIGNAL CORP (GESJ)   STICH F A,  JUNGWIRTH P W,  ZAHRTE D K;  US5801937-A   AMERICAN SUPERCONDUCTOR CORP (ASCC)   GOLD C,  GRAN R J;  US5815370-A   ALLIEDSIGNAL INC (ALLC)   SUTTON T G;  US5844328-A   FURST R (FURS-Individual)   FURST R;  US5904999-A   EFL ELECTRIC FUEL LTD (EFLE-Non-standard)   SHRIM Y,  SCHNEIDER V,  GILON Y,  KIMBERG S;  US5952117-A   METALLIC POWER INC (META-Non-standard)   COLBORN J A,  WRIGHT K A,  GULINO R;  US5958210-A   UNIV CALIFORNIA (REGC)   SIU S C,  EVANS J W;  US5972530-A   ELECTROCHEM INC (ELEC-Non-standard)   SHELEKIN A B,  BUSNELL C L,  PIEN M S;  US5982652-A   AMERICAN POWER CONVERSION (SCHN)   SIMONELLI J M,  CHARLANTINI D L,  COLUCCI D A,  KLIKIC D,  INGEMI M J;  US6011324-A   AEG ENERGIETECHNIK GMBH (AEGE)   KOHLSTRUCK B,  BERG N;  US6124051-A   PHOENIX ANALYSIS & DESIGN TECHNOLOGIES (PHOE-Non-standard)   JOHNSON M C;  US6151212-A   SCHROFF GMBH (SCHR-Non-standard)   SCHWENK H,  KEMPF H,  TAKATS P;  US6153328-A   METALLIC POWER INC (META-Non-standard)   COLBORN J A;  US6157168-A   INT BUSINESS MACHINES CORP (IBMC)   MALIK R S;  US6162555-A   METALLIC POWER INC (META-Non-standard)   GUTIERREZ B A,  SMEDLEY S I,  SMEDLEY K I,  COLBORN J A;  US6167947-B1   SILICON GRAPHICS INC (SLCO)   HOKANSON K,  BERG W,  CARLSON D M;  US6180273-B1   HONDA GIKEN KOGYO KK (HOND)   OKAMOTO T;  US6190792-B1   REVEO INC (REVO)   FARIS S M,  TSAI T,  LEGBANDT T J,  YAO W,  CHEN M;  US6194793-B1   OKC PROD INC (OKCO-Non-standard)   FISHER C;  US6204574-B1   DELTA ELECTRONICS INC (DELT-Non-standard)   CHI T;  US6228519-B1   REVEO INC (REVO)   FARIS S M,  TSAI T,  LEGBANDT T J,  YAO W,  CHEN M;  US6232006-B1   INT FUEL CELLS LLC (ITFU)   BREAULT R D;  US6242121-B1   AER ENERGY RESOURCES INC (AERE-Non-standard)   PEDICINI C S,  WITZIGREUTER J D,  GRAY G;  WO1999016145-A1