US2004106034-A1 -- US4175165-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4233181-A   UNITED TECHNOLOGIES CORP (UNAC)   GOLLER G J,  BREAULT R D;  US4564427-A   UNITED TECHNOLOGIES CORP (UNAC)   GRUVER G A,  KUNZ H R;  US4615955-A   HITACHI LTD (HITA)   AMAGAWA H,  UOZUMI S;  US4636274-A   UNITED TECHNOLOGIES CORP (UNAC)   GRUVER G A,  KUNZ H R;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US5211984-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5234777-A   US DEPT ENERGY (USAT)   WILSON M S;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5501915-A   JOHNSON MATTHEY PLC (JOHO)   HARDS G A,  RALPH T R;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5686197-A   AISIN SEIKI KK (AISE)   NISHIDA K,  YAMADA D,  MATSUTANI T;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  US5840414-A   INT FUEL CELLS CORP (ITFU)   BETT J A S,  WHEELER D J,  BUSHNELL C;  US5853909-A   INT FUEL CELLS LLC (ITFU-Non-standard)   REISER C;  US5998058-A   INT FUEL CELLS CORP (ITFU)   FREDLEY R R;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US7258945-B2 -- US4175165-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4233181-A   UNITED TECHNOLOGIES CORP (UNAC)   GOLLER G J,  BREAULT R D;  US4564427-A   UNITED TECHNOLOGIES CORP (UNAC)   GRUVER G A,  KUNZ H R;  US4615955-A   HITACHI LTD (HITA)   AMAGAWA H,  UOZUMI S;  US4636274-A   UNITED TECHNOLOGIES CORP (UNAC)   GRUVER G A,  KUNZ H R;  US4769297-A   INT FUEL CELLS CORP (ITFU)   REISER C A,  SAWYER R D;  US5211984-A   UNIV CALIFORNIA (REGC)   WILSON M S;  US5234777-A   US DEPT ENERGY (USAT)   WILSON M S;  US5252410-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  VOSS H H,  PRATER K B;  US5300370-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WASHINGTON K B;  US5501915-A   JOHNSON MATTHEY PLC (JOHO)   HARDS G A,  RALPH T R;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US5641586-A   UNIV CALIFORNIA OFFICE TECHNOLOGY (REGC)   WILSON M S;  US5686197-A   AISIN SEIKI KK (AISE)   NISHIDA K,  YAMADA D,  MATSUTANI T;  US5700595-A   INT FUEL CELLS CORP (ITFU)   REISER C;  US5840414-A   INT FUEL CELLS CORP (ITFU)   BETT J A S,  WHEELER D J,  BUSHNELL C;  US5853909-A   INT FUEL CELLS LLC (ITFU-Non-standard)   REISER C;  US5998058-A   INT FUEL CELLS CORP (ITFU)   FREDLEY R R;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  WO1994011912-A1