WO2004025754-A2 -- US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6503649-B1   CONVERGENCE LLC (CONV-Non-standard)   CZAJKOWSKI K A,  REBAIN S R;  US6522955-B1   METALLIC POWER INC (META-Non-standard)   COLBORN J A;  US2004137291-A1 -- US3826237-A   CHEVRON RES CO (CALI);  US3932262-A   CALIFORNIA INST OF TECHN (CALY)   STEVENS M R,  VICKERS J M;  US4294891-A   MONTEFIORE HOSPITAL & MED CENT (MONT-Non-standard)   YAO S J,  SUNYAO H Y,  WOLFSON S K;  US4422917-A   IMI MARSTON LTD (MASC)   HAYFIELD P C S;  US4650727-A   US DEPT ENERGY (USAT)   VANDERBORG N E,  SPRINGER T E,  HUFF R;  US4756979-A   GOULD INC (GOUN)   SPECHT S J;  US4820594-A   HITACHI LTD (HITA)   SUGITA S,  KOYAMA K H N,  SHIIN A K,  SAKAGUCHI S,  KURODA M,  NOGUCHI Y;  US5071717-A   ;  US5634442-A   ASTUTE FRONTIERS PATENT TRUST (ASTU-Non-standard)   WEBER H J;  US5697340-A   NISSAN MOTOR CO LTD (NSMO)   SHINO T,  NISHIZAWA K;  US5798186-A   BALLARD POWER SYSTEMS INC (BLRD);  DAIMLER-BENZ AG (DAIM)   FLETCHER N J,  BOEHM G A,  POW E G;  US5998053-A   ;  US6068941-A   INT FUEL CELLS LLC (ITFU-Non-standard)   FULLER T F,  WHEELER D J;  US6103410-A   INT FUEL CELLS CORP (ITFU)   FULLER T F,  WHEELER D J;  US6106964-A   BALLARD POWER SYSTEMS INC (BLRD)   WELLS B W,  BARTON R H,  RONNE J A,  VOSS H H,  NIGSCH H A;  US6127056-A   INT FUEL CELLS LLC (ITFU)   WHEELER D J,  BONVILLE L J;  US6242120-B1   IDATECH LLC (BLRD)   HERRON T G;  US6268074-B1   GENERAL MOTORS CORP (GENK)   SIEPIERSKI J S,  MOORE B S,  HOCH M M;  US6268075-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   AUTENRIETH R,  BONEBERG S,  HEIL D,  POSCHMANN T,  WIELAND S;  US6296959-B2   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   TAKABE S,  KOMAKI H;  US6979504-B2   BALLARD POWER SYSTEMS INC (BLRD)   MANERY D S;  US6979506-B2   PLUG POWER INC (PLUG-Non-standard)   BALLANTINE A W,  LOBDELL S K,  LYONS S S;  WO2004025754-A3 -- US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6503649-B1   CONVERGENCE LLC (CONV-Non-standard)   CZAJKOWSKI K A,  REBAIN S R;  US6522955-B1   METALLIC POWER INC (META-Non-standard)   COLBORN J A