WO9933133-A1 -- EP813264-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  FR1581350-A   GENERAL ELECTRIC CO (GENE);  JP09266002-A   ;  US3061658-A   ;  US3098768-A   ;  US4261956-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US5202195-A   INT FUEL CELLS CORP (ITFU)   STEDMAN J K,  TROCCIOLA J C;  US5372617-A   CHARLES STARK DRAPER LAB INC (DRAS)   KERREBROCK P A,  WAYNE A S;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5514353-A   SAMMER CORP A F (SAMM-Non-standard)   ADLHART O J;  WO1998035398-A1   ;  US6316133-B1 -- EP813264-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  FR1581350-A   GENERAL ELECTRIC CO (GENE);  JP92066002-B   ;  US3061658-A   ;  US3098768-A   ;  US4261956-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US5002842-A   GATES ENERGY PRODUCTS INC (GATE-Non-standard);  SAFT AMERICA INC (ACCF)   PUGLISI V J,  RAMPEL G G,  RICHARDSON K R,  PRICKETT O G;  US5202195-A   INT FUEL CELLS CORP (ITFU)   STEDMAN J K,  TROCCIOLA J C;  US5372617-A   CHARLES STARK DRAPER LAB INC (DRAS)   KERREBROCK P A,  WAYNE A S;  US5484666-A   BALLARD POWER SYSTEMS INC (BLRD)   POW E G,  SCHLOSSER W,  GIBB P,  VOSS H H;  US5514353-A   SAMMER CORP A F (SAMM-Non-standard)   ADLHART O J;  WO1998035398-A1   ;  WO1999033133-A1   ;  CH692879-A5 -- EP813264-A2   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GAMO T,  KURANAKA S,  MORITA Y,  SUZUKI J,  HAMANISHI M,  NAGAI S,  HATOH K,  YASUMOTO E;  FR1581350-A   GENERAL ELECTRIC CO (GENE);  JP09266002-A   ;  JP56114803-A   FUJI ELECTRIC CO LTD (FJIE);  BOEICHO GIJUTSU KENKYO (BOEI-Non-standard)   SUGIMOTO T,  MUNEKURA K,  TAJIMA H,  MARUYAMA S;  US3061658-A   ;  US3098768-A   ;  US4261956-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US5202195-A   INT FUEL CELLS CORP (ITFU)   STEDMAN J K,  TROCCIOLA J C;  US5372617-A   CHARLES STARK DRAPER LAB INC (DRAS)   KERREBROCK P A,  WAYNE A S;  US5514353-A   SAMMER CORP A F (SAMM-Non-standard)   ADLHART O J