US6020083-A -- AU389020-A   ;  US3867206-A   UNITED AIRCRAFT CORP (UNAC)   TROCCIOLA J C,  SCHROLL C R,  ELMORE D E;  US4279970-A   ;  US4729932-A   UNITED TECHNOLOGIES CORP (UNAC)   MCELROY J F;  US4756981-A   INT FUEL CELLS CORP (ITFU)   BREAULT R,  RAJPOLT M,  TROCCIOLA J;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4855194-A   WESTINGHOUSE ELECTRIC CORP (WESE);  RAY TECHNOLOGIES LTD (RAYT-Non-standard);  US DEPT ENERGY (USAT)   WRIGHT M K;  US4913706-A   INT FUEL CELLS CORP (ITFU)   LUOMA W L,  MARTIN R G,  BREAULT R D;  US5096786-A   WESTINGHOUSE ELECTRIC CORP (WESE)   GRANATA S J,  WOODE B M,  DUNYAK T J;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5176996-A   BAYLOR COLLEGE MEDICINE (BAYU)   HOGAN M E,  KESSLER D J;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5300124-A   INT FUEL CELLS CORP (ITFU)   BREAULT R D,  GORMAN M E;  US5360679-A   BALLARD POWER SYSTEMS INC (BLRD)   LOUIE C,  WATKINS D S,  COHEN R,  BUSWELL R F,  CLAUSI J V;  US5366825-A   INT FUEL CELLS CORP (ITFU)   GORMAN M E,  BREAULT R D;  US5464700-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  WEI J;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  US5736269-A   HONDA MOTOR CO LTD (HOND)   OKAMOTO T,  KATO H,  KAWAGOE T,  YAMAMOTO A,  TANAKA I;  US5912088-A   PLUG POWER LLC (PLUG-Non-standard)   ERNST W D;  WO200026975-A1 -- US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4855194-A   WESTINGHOUSE ELECTRIC CORP (WESE);  RAY TECHNOLOGIES LTD (RAYT-Non-standard);  US DEPT ENERGY (USAT)   WRIGHT M K;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5445904-A   H-POWER CORP (HPOW-Non-standard)   KAUFMAN A;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  EP1129497-A1 -- DE19709199-A1   MAGNET-MOTOR GES MAGNETMOTORIS (MAGN-Non-standard)   KOSCHANY A,  LUCAS C,  SCHWESINGER T;  EP1078408-A1   BG PLC (GASC)   DONG Z;  EP1078408-B1   BG PLC (GASC)   DONG Z;  US4664988-A   KUREHA KAGAKU KOGYO KK (KURE)   SHIGETA M,  FUKUDA H,  KAJI H,  SAITOH K;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5344668-A   TOSHIBA KK (ITFU)   STEWART R C,  REMPE R J,  ROBAATO S S J;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  WO1998024136-A1   ;  EP1129497-B1 -- DE19709199-A1   MAGNET-MOTOR GES MAGNETMOTORIS (MAGN-Non-standard)   KOSCHANY A,  LUCAS C,  SCHWESINGER T;  EP1078408-B1   BG PLC (GASC)   DONG Z;  US4664988-A   KUREHA KAGAKU KOGYO KK (KURE)   SHIGETA M,  FUKUDA H,  KAJI H,  SAITOH K;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4855194-A   WESTINGHOUSE ELECTRIC CORP (WESE);  RAY TECHNOLOGIES LTD (RAYT-Non-standard);  US DEPT ENERGY (USAT)   WRIGHT M K;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5344668-A   TOSHIBA KK (ITFU)   STEWART R C,  REMPE R J,  ROBAATO S S J;  US5445904-A   H-POWER CORP (HPOW-Non-standard)   KAUFMAN A;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  WO1998024136-A1   ;  JP4505144-B2 -- JP07263013-A   ;  JP08148170-A   ;  JP09265993-A   ;  JP09289029-A   ;  JP10188702-A   ;  JP61185869-A   ;  JP2002514343-A   UNITED TECHNOLOGIES CORP (UNAC)   ROY R J,  CRITZ K M,  LEONIDA A;  WO1998024136-A1