US2003170508-A1 -- US4673624-A   HOCKLEY CHEM CO LTD (HOCK)   HOCKADAY R G;  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US5523177-A   GINER INC (GINE-Non-standard)   LACONTI A B,  KOSEK J A,  CROPLEY C C;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5599638-A   UNIV SOUTHERN CALIFORNIA (USCA);  CALIFORNIA INST OF TECHNOLOGY (CALY)   FRANK H A,  NARAYANAN S R,  OLAH G A,  PRAKASH G K S,  SURAMPUDI S,  VAMOS E,  HALPERT G;  US5629104-A   DETROIT CENT TOOL (DETR-Non-standard)   GOSTEK M,  CRAWFORD M H,  CRAWFORD M D,  WILSON C L;  US5631099-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5723228-A   HONDA GIKEN KOGYO KK (HOND)   OKAMOTO T;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5766786-A   DAIMLER-BENZ AG (DAIM)   FLECK W,  WIESHEU N,  BENZ U;  US5773162-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US5795668-A   DU PONT DE NEMOURS & CO E I (DUPO)   BANERJEE S;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5945231-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  HALPERT G,  NARAYANAN S;  US5992008-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  DAWSON S F;  US20020122966-A1   ;  US20030003336-A1   ;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6410175-B1   BALLARD POWER SYSTEMS INC (BLRD)   TILLMETZ W,  WILKINSON D P,  COLBOW K M,  ST-PIERRE J;  US6458477-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S;  US6475652-B2   GRASSO A P (GRAS-Individual);  SAITO K (SAIT-Individual)   GRASSO A P,  SAITO K;  US6566003-B2   ACKER W P (ACKE-Individual)   ACKER W P;  US6682839-B2   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  CHIEM B H,  ROBERTS J A,  ST-PIERRE J,  STUMPER J,  ZIMMERMANN J;  US7416798-B2 -- JP56114284-A   ;  US4673624-A   HOCKLEY CHEM CO LTD (HOCK)   HOCKADAY R G;  US4810597-A   HITACHI LTD (HITA)   KUMAGAI T,  HORIBA T,  KAMO T,  TAKEUCHI S,  HITACHIOH I,  IWAMOTO K,  KITAMI K,  TAMURA K;  US5523177-A   GINER INC (GINE-Non-standard)   LACONTI A B,  KOSEK J A,  CROPLEY C C;  US5573866-A   INT FUEL CELLS CORP (ITFU)   MARICLE D L,  VAN DINE L L;  US5599638-A   UNIV SOUTHERN CALIFORNIA (USCA);  CALIFORNIA INST OF TECHNOLOGY (CALY)   FRANK H A,  NARAYANAN S R,  OLAH G A,  PRAKASH G K S,  SURAMPUDI S,  VAMOS E,  HALPERT G;  US5629104-A   DETROIT CENT TOOL (DETR-Non-standard)   GOSTEK M,  CRAWFORD M H,  CRAWFORD M D,  WILSON C L;  US5631099-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5723228-A   HONDA GIKEN KOGYO KK (HOND)   OKAMOTO T;  US5759712-A   HOCKADAY R G (HOCK-Individual)   HOCKADAY R G;  US5766786-A   DAIMLER-BENZ AG (DAIM)   FLECK W,  WIESHEU N,  BENZ U;  US5773162-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  FRANK H A,  NARAYANAN S R,  CHUN W,  JEFFRIES-NAKAMURA B,  KINDLER A,  HALPERT G;  US5795668-A   DU PONT DE NEMOURS & CO E I (DUPO)   BANERJEE S;  US5916699-A   MOTOROLA INC (MOTI)   MORE G,  THOMAS G,  FERNANDEZ J M;  US5945231-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   SURAMPUDI S,  HALPERT G,  NARAYANAN S;  US5992008-A   CALIFORNIA INST OF TECHNOLOGY (CALY)   KINDLER A,  DAWSON S F;  US20020122966-A1   ;  US20030003336-A1   ;  US6210820-B1   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  KNIGHTS S D,  LAURITZEN M V;  US6383670-B1   IDATECH LLC (BLRD)   EDLUND D J,  HERRON T G,  PLEDGER W A;  US6410175-B1   BALLARD POWER SYSTEMS INC (BLRD)   TILLMETZ W,  WILKINSON D P,  COLBOW K M,  ST-PIERRE J;  US6458477-B1   ZTEK CORP (ZTEK-Non-standard)   HSU M S;  US6475652-B2   GRASSO A P (GRAS-Individual);  SAITO K (SAIT-Individual)   GRASSO A P,  SAITO K;  US6566003-B2   ACKER W P (ACKE-Individual)   ACKER W P;  US6682839-B2   BALLARD POWER SYSTEMS INC (BLRD)   WILKINSON D P,  CHIEM B H,  ROBERTS J A,  ST-PIERRE J,  STUMPER J,  ZIMMERMANN J