US2004086768-A1 -- US4328080-A   GENERAL ELECTRIC CO (GENE)   HARRIS L A;  US4648955-A   IVAC CORP (IVAC-Non-standard)   MAGNET H J;  US5260143-A   BALLARD POWER SYSTEMS INC (BLRD)   VOSS H H,  WILKINSON D P,  WATKINS D S;  US5296536-A   PTY TECHNOLOGY INC (TECH-Non-standard)   BARTHOLOMEW D D;  US5346780-A   TOSHIBA KK (TOKE)   SUZUKI N;  US5352651-A   MINNESOTA MINING & MFG CO (MINN)   DEBE M K,  KAM K K,  POIRIER R J;  US5547777-A   RICHARDS W R (RICH-Individual)   RICHARDS W R;  US5653951-A   CATALYTIC MATERIALS LTD (CATA-Non-standard)   BAKER R T K,  RODRIGUEZ N M;  US5716437-A   JOHNSON MATTHEY PLC (JOHO)   DENTON J,  GASCOYNE J M,  THOMPSETT D;  US5766787-A   TANAKA KIKINZOKU KOGYO KK (TANI);  WATANABE M (WATA-Individual)   WATANABE M,  UCHIDA H;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5792280-A   SANDIA CORP (LOCK)   SCHUBERT W K,  RUBY D S,  BASORE P A;  US5795672-A   SOUTHWEST RES INST (SWRI)   DEARNALEY G;  US5856036-A   ILLINOIS INST TECH (ILLV)   SMOTKIN E S,  LEY K L,  PU C,  LIU R;  US5858569-A   PLUG POWER LLC (PLUG-Non-standard)   VITALE N G,  MEACHER J;  US5866423-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   SUGAWARA Y,  UCHIDA M,  FUKUOKA Y,  EDA N;  US5871860-A   JOHNSON MATTHEY PLC (JOHO)   FROST J C,  GASCOYNE J M,  HARDS G A;  US5879827-A   MINNESOTA MINING & MFG CO (MINN)   ZIEGLER R J,  THOMAS J H,  DEBE M K,  HAUGEN G M,  STEINBACH A J;  US5922487-A   WATANABE M (WATA-Individual);  STONEHART ASSOC INC (STON-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   WATANABE M,  YAMAMOTO Y;  US5939220-A   JOHNSON MATTHEY PLC (JOHO)   GUNNER A G,  HYDE T I,  POTTER R J,  THOMPSETT D;  US5942349-A   CERAMIC FUEL CELLS LTD (CERA-Non-standard)   BADWAL S P,  FOGER K,  ZHENG X G,  JAFFREY D;  US5945232-A   PLUG POWER LLC (PLUG-Non-standard)   ERNST W D,  MITTLEMAN G;  US5976726-A   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  STUMPER J,  CAMPBELL S A,  DAVIS M T,  LAMONT G J;  US5985942-A   BALLARD POWER SYSTEMS INC (BLRD)   STECK A E,  STONE C;  US5993697-A   UNIV CALIFORNIA (REGC)   COHEN M L,  LOUIE S G S,  ZETTL A K,  CRESPI V H;  US5993987-A   BALLARD POWER SYSTEMS INC (BLRD)   WOZNICZKA B,  FLETCHER N J,  GIBB P R;  US6010675-A   INT FUEL CELLS CORP (ITFU)   TROCCIOLA J C,  SCHROLL C R,  LESIEUR R R;  US6207310-B1   UNIV CALIFORNIA (REGC)   WILSON M S,  ZAWODZINSKI C;  US6290753-B1   INST ENERGITEKNIK (ENER-Non-standard)   MAELAND A J,  SKJELTORP A T;  US6331262-B1   UNIV KENTUCKY RES FOUND (KENT)   HADDON R C,  CHEN J