WO2004051773-A2 -- JP06243882-A   ;  JP11260385-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMOTO M;  JP60054176-A   FUJI ELECTRIC CORP RES & DEV (FUEL)   KOSEKI K,  OGA S;  US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  US2004150405-A1 -- US3676770-A   ;  US3753094-A   ;  US4071819-A   US SEC OF ARMY (USSA)   DESANTIS C M;  US4316185-A   GENERAL ELECTRIC CO (GENE)   WATROUS D L,  WEISCHEDEL R C;  US4352067-A   DC ELECTRONIC IND (DCEL-Non-standard)   OTTONE R J;  US4484140-A   US SEC OF NAVY (USNA)   DIEU L F;  US4697134-A   ;  US4743855-A   ASULAB SA (ASUL);  RANDIN J P (RAND-Individual)   RANDON J P,  ZUELLIG F,  LEUENBERGE C E;  US4972181-A   FYRNETICS INC (FYRN-Non-standard)   FIENE D E;  US5047722-A   SSMC INC (SING)   WURST J W,  GARRON S A,  DOB A M;  US5159272-A   GNB INC (GNBB)   RAO P,  KUMP W H,  JAY B E,  FOWLER C W;  US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US5281920-A   BTECH INC (BTEC-Non-standard)   WURST J W;  US5416416-A   BISHER R C (BISH-Individual)   BISHER R C;  US5608307-A   MOTOROLA INC (MOTI)   FERNANDEZ J M,  MEADOWS V,  GARRETT S M,  DESAI V D;  US5670861-A   NORVIK TRACTION INC (NORV-Non-standard)   NOR J K;  US5712568-A   FORD MOTOR CO (FORD)   KEBERLY P W,  FLOHR G R;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5773978-A   SNAP-ON TECHNOLOGIES INC (SNPO)   BECKER T P;  US5914606-A   BECKER-IRVIN C H (BECK-Individual)   BECKER-IRVIN C H;  US5923148-A   AIMS SYSTEMS INC (AIMS-Non-standard)   WILEY P H,  SIDERIS A G;  US5925476-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US6002238-A   CHAMPLIN K S (CHAM-Individual)   CHAMPLIN K S;  US6011379-A   US NANOCORP (USNA-Non-standard)   SINGH P,  FENNIE C;  US6037777-A   CHAMPLIN K S (CHAM-Individual)   CHAMPLIN K S;  US6061639-A   TELEFONAKTIEBOLAGET ERICSSON L M (TELF)   WISTRAND P;  US6140820-A   PLUG POWER INC (PLUG-Non-standard)   JAMES D E;  US6160382-A   KOREA KUMHO PETROCHEMICAL CO LTD (KKPT)   YOON C O,  BARSUKOV Y,  KIM J H;  US20020051899-A1   ;  US20020053896-A1   ;  US20020090540-A1   ;  US20030076110-A1   ;  US20030113594-A1   ;  US6239579-B1   DUNN J H (DUNN-Individual);  DE OLIVEIRA J C (DOLI-Individual);  GERWING D H (GERW-Individual);  ESTCO ENERGY INC (ESTC-Non-standard)   DUNN J H,  DE OLIVEIRA J C,  GERWING D H;  US6281684-B1   PLUG POWER INC (PLUG-Non-standard)   JAMES D E;  US6285164-B1   HITACHI LTD (HITA);  HITACHI MAXELL KK (HITM);  HITACHI ULSI SYSTEMS CO LTD (HISC)   NODA M,  TAKEUCHI T,  TANAKA S,  TSUCHIYA M,  YAMAGUCHI T;  US6307350-B1   JA EFFECT LLC (JAEF-Non-standard)   ALDERMAN R J;  US6313750-B1   PLUG POWER INC (PLUG-Non-standard)   LACY R A;  US6335611-B1   FUJITSU LTD (FUIT)   SASAKI M;  US6406806-B1   GENERAL MOTORS CORP (GENK)   KESKULA D H,  CLINGERMAN B J,  CHALFANT R W;  US6410176-B1   PLUG POWER INC (PLUG-Non-standard)   GENC S,  PITTS L A,  MEASE K L,  CARLSTROM C M,  MARVIN R H;  US6423434-B1   MOTOROLA INC (MOTI)   PRATT S D,  KELLEY R J,  MUTHUSWAMY S,  PENNISI R W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  US6455180-B1   GENERAL MOTORS CORP (GENK)   MOWERY K D,  RIPLEY E V;  US6461751-B1   BALLARD POWER SYSTEMS INC (BLRD)   BOEHM G,  WILKINSON D P,  KNIGHTS S,  SCHAMM R,  FLETCHER N J;  US6472880-B1   ENOVA SYSTEMS (ENOV-Non-standard)   KANG D H;  US6573682-B1   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US6297618-B2   HITACHI LTD (HITA)   EMORI A,  KINOSHITA T,  MIYAZAKI H,  KOJIMA Y,  AKIYAMA N;  US6583602-B2   DENSO CORP (NPDE)   IMAI A,  NAGATA T,  YOSHIDA H;  US7148654-B2 -- US6061639-A   TELEFONAKTIEBOLAGET ERICSSON L M (TELF)   WISTRAND P;  US6583602-B2   DENSO CORP (NPDE)   IMAI A,  NAGATA T,  YOSHIDA H;  CA2334951-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   EINHART J,  SONNTAG A,  SONNTAG J;  EP1001666-A2   BALLARD POWER SYSTEMS INC (BLRD)   EINHART J,  CREMER C;  EP1088241-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   EINHART J,  SONNTAG A,  SONNTAG J;  JP01160367-A   ;  JP06243882-A   ;  JP11260385-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMOTO M;  JP59021567-A   ;  JP60054176-A   FUJI ELECTRIC CORP RES & DEV (FUEL)   KOSEKI K,  OGA S;  US3676770-A   ;  US3753094-A   ;  US4071819-A   US SEC OF ARMY (USSA)   DESANTIS C M;  US4316185-A   GENERAL ELECTRIC CO (GENE)   WATROUS D L,  WEISCHEDEL R C;  US4352067-A   DC ELECTRONIC IND (DCEL-Non-standard)   OTTONE R J;  US4484140-A   US SEC OF NAVY (USNA)   DIEU L F;  US4697134-A   ;  US4743855-A   ASULAB SA (ASUL);  RANDIN J P (RAND-Individual)   RANDON J P,  ZUELLIG F,  LEUENBERGE C E;  US4972181-A   FYRNETICS INC (FYRN-Non-standard)   FIENE D E;  US5047722-A   SSMC INC (SING)   WURST J W,  GARRON S A,  DOB A M;  US5159272-A   GNB INC (GNBB)   RAO P,  KUMP W H,  JAY B E,  FOWLER C W;  US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US5281920-A   BTECH INC (BTEC-Non-standard)   WURST J W;  US5416416-A   BISHER R C (BISH-Individual)   BISHER R C;  US5608307-A   MOTOROLA INC (MOTI)   FERNANDEZ J M,  MEADOWS V,  GARRETT S M,  DESAI V D;  US5670861-A   NORVIK TRACTION INC (NORV-Non-standard)   NOR J K;  US5712568-A   FORD MOTOR CO (FORD)   KEBERLY P W,  FLOHR G R;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5773978-A   SNAP-ON TECHNOLOGIES INC (SNPO)   BECKER T P;  US5914606-A   BECKER-IRVIN C H (BECK-Individual)   BECKER-IRVIN C H;  US5923148-A   AIMS SYSTEMS INC (AIMS-Non-standard)   WILEY P H,  SIDERIS A G;  US5925476-A   TOYOTA JIDOSHA KK (TOYT)   KAWATSU S;  US6002238-A   CHAMPLIN K S (CHAM-Individual)   CHAMPLIN K S;  US6011379-A   US NANOCORP (USNA-Non-standard)   SINGH P,  FENNIE C;  US6037777-A   CHAMPLIN K S (CHAM-Individual)   CHAMPLIN K S;  US6140820-A   PLUG POWER INC (PLUG-Non-standard)   JAMES D E;  US6160382-A   KOREA KUMHO PETROCHEMICAL CO LTD (KKPT)   YOON C O,  BARSUKOV Y,  KIM J H;  US20020051899-A1   ;  US20020053896-A1   ;  US20020090540-A1   ;  US20030076110-A1   ;  US20030113594-A1   ;  US6239579-B1   DUNN J H (DUNN-Individual);  DE OLIVEIRA J C (DOLI-Individual);  GERWING D H (GERW-Individual);  ESTCO ENERGY INC (ESTC-Non-standard)   DUNN J H,  DE OLIVEIRA J C,  GERWING D H;  US6281684-B1   PLUG POWER INC (PLUG-Non-standard)   JAMES D E;  US6285164-B1   HITACHI LTD (HITA);  HITACHI MAXELL KK (HITM);  HITACHI ULSI SYSTEMS CO LTD (HISC)   NODA M,  TAKEUCHI T,  TANAKA S,  TSUCHIYA M,  YAMAGUCHI T;  US6307350-B1   JA EFFECT LLC (JAEF-Non-standard)   ALDERMAN R J;  US6313750-B1   PLUG POWER INC (PLUG-Non-standard)   LACY R A;  US6335611-B1   FUJITSU LTD (FUIT)   SASAKI M;  US6406806-B1   GENERAL MOTORS CORP (GENK)   KESKULA D H,  CLINGERMAN B J,  CHALFANT R W;  US6410176-B1   PLUG POWER INC (PLUG-Non-standard)   GENC S,  PITTS L A,  MEASE K L,  CARLSTROM C M,  MARVIN R H;  US6423434-B1   MOTOROLA INC (MOTI)   PRATT S D,  KELLEY R J,  MUTHUSWAMY S,  PENNISI R W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  US6455180-B1   GENERAL MOTORS CORP (GENK)   MOWERY K D,  RIPLEY E V;  US6461751-B1   BALLARD POWER SYSTEMS INC (BLRD)   BOEHM G,  WILKINSON D P,  KNIGHTS S,  SCHAMM R,  FLETCHER N J;  US6472880-B1   ENOVA SYSTEMS (ENOV-Non-standard)   KANG D H;  US6573682-B1   BALLARD POWER SYSTEMS INC (BLRD)   PEARSON M T;  US6297618-B2   HITACHI LTD (HITA)   EMORI A,  KINOSHITA T,  MIYAZAKI H,  KOJIMA Y,  AKIYAMA N;  WO92732-A   ;  WO1999018448-A1   ;  WO1999066339-A1   ;  WO2000031557-A1   ;  WO2001009631-A1   ;  WO2001014898-A1   ;  WO2002003086-A2   ;  WO2002027342-A2   ;  WO2002027832-A2   ;  WO2004051773-A3 -- JP06243882-A   ;  JP11260385-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMOTO M;  JP60054176-A   FUJI ELECTRIC CORP RES & DEV (FUEL)   KOSEKI K,  OGA S;  US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M;  EP1570538-B1 -- US5170124-A   BALLARD POWER SYST (BLRD)   BLAIR J D,  DIRCKS K W;  US6432569-B1   SIEMENS AG (SIEI)   ZEILINGER R,  STUEHLER W,  KEIM M