WO200024066-A1 -- US4374185-A   UNITED TECHNOLOGIES CORP (UNAC)   POWERS J,  TROCCIOLA J C,  MARTIN R G;  US4774154-A   INT FUEL CELLS CORP (ITFU)   SINGELYN J D,  GELTING R,  MIENTEK A P;  US5328542-A   ;  US6159628-A -- AT389020-B   ;  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;  US4913706-A   INT FUEL CELLS CORP (ITFU)   LUOMA W L,  MARTIN R G,  BREAULT R D;  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;  US6020083-A   INT FUEL CELLS LLC (ITFU)   BREAULT R D,  KRASIJ M;  US6165634-A -- US4374185-A   UNITED TECHNOLOGIES CORP (UNAC)   POWERS J,  TROCCIOLA J C,  MARTIN R G;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US4774154-A   INT FUEL CELLS CORP (ITFU)   SINGELYN J D,  GELTING R,  MIENTEK A P;  US5079104-A   INT FUEL CELLS CORP (ITFU)   ROCHE R P,  NOWAK M P;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5270132-A   INT FUEL CELLS CORP (ITFU)   SAWYER R D,  BREAULT R D,  MIENTEK A P;  US5328542-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;  US5837395-A   INT FUEL CELLS CORP (ITFU)   BREAULT R D,  FREDLEY R R,  SCHEFFLER G W;  EP1135812-A1 -- EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  GB2323700-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  JP58044672-A   ;  JP58164155-A   ;  US5219674-A   INT FUEL CELLS CORP (ITFU)   SINGELYN J D,  ELMORE D E;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  KR602540-B1 -- US5328542-A   ;  EP1135812-B1 -- EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  GB2323700-A   BALLARD POWER SYSTEMS INC (BLRD)   SCHMID O,  EINHART J;  JP58044672-A   ;  JP58164155-A   ;  US4374185-A   UNITED TECHNOLOGIES CORP (UNAC)   POWERS J,  TROCCIOLA J C,  MARTIN R G;  US4774154-A   INT FUEL CELLS CORP (ITFU)   SINGELYN J D,  GELTING R,  MIENTEK A P;  US5219674-A   INT FUEL CELLS CORP (ITFU)   SINGELYN J D,  ELMORE D E;  US5264299-A   INT FUEL CELLS CORP (ITFU)   KRASIJ M,  WATSON P R;  US5328542-A   ;  JP4484369-B2 -- JP05101837-A   ;  JP06275284-A   ;  JP07135007-A   ;  JP07249417-A   ;  JP08148170-A   ;  JP61185869-A