WO9606387-A1 -- JP59012573-A   ;  JP60107268-A   ;  US3976506-A   UNITED TECHNOLOGIES CORP (UNAC);  US3982962-A   UNITED TECHNOLOGIES CORP (UNAC);  US4046956-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4716023-A   ENERGY RES CORP (ENER-Non-standard)   CHRISTNER L G,  KOEHLER S A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5271916-A   GENERAL MOTORS CORP (GENK)   GUANTE J,  VANDERBORGH N E,  NGUYEN T V;  US5330727-A   INT FUEL CELLS CORP (ITFU)   TROCCIOLA J C,  SCHROLL C R,  LESIEUR R R;  US5426002-A   MITSUBISHI DENKI KK (MITQ)   MATSUMURA M,  HIRAI C;  US5518705-A -- JP59012573-A   ;  JP60107268-A   ;  US3976506-A   UNITED TECHNOLOGIES CORP (UNAC);  US3982962-A   UNITED TECHNOLOGIES CORP (UNAC);  US4046956-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4716023-A   ENERGY RES CORP (ENER-Non-standard)   CHRISTNER L G,  KOEHLER S A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5271916-A   GENERAL MOTORS CORP (GENK)   GUANTE J,  VANDERBORGH N E,  NGUYEN T V;  US5330727-A   INT FUEL CELLS CORP (ITFU)   TROCCIOLA J C,  SCHROLL C R,  LESIEUR R R;  US5750076-A -- US3976506-A   UNITED TECHNOLOGIES CORP (UNAC);  US3982962-A   UNITED TECHNOLOGIES CORP (UNAC);  US4046956-A   UNITED TECHNOLOGIES CORP (UNAC)   FANCIULLO S;  US4587114-A   HIRAI H (HIRA-Individual)   HIRAI H,  KOMIYAMA M,  WADA K;  US4604275-A   ;  US4716023-A   ENERGY RES CORP (ENER-Non-standard)   CHRISTNER L G,  KOEHLER S A;  US4910099-A   US DEPT ENERGY (USAT)   GOTTESFELD S;  US5271916-A   GENERAL MOTORS CORP (GENK)   GUANTE J,  VANDERBORGH N E,  NGUYEN T V;  US5330727-A   INT FUEL CELLS CORP (ITFU)   TROCCIOLA J C,  SCHROLL C R,  LESIEUR R R;  US5432021-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5436086-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   SEYMOUR C M,  DAMS R A D;  US5482680-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  DUDLEY J,  LAMONT G J,  BASURA V;  US5501781-A   ZTEK CORP (ZTEK-Non-standard)   HSU M S,  HOAG E D