WO200182392-A2 -- US4037024-A   US SEC OF NAVY (USNA)   LANDAU M B;  US5141823-A   VICKERS SHIPBUILDING & ENG (VICS)   WRIGHT B J,  SEYMOUR C M,  ADAMS V W,  CATCHPOLE J P;  US6103409-A   GENERAL MOTORS CORP (GENK)   BOSCO A D,  FRONK M H;  US2002146603-A1 -- US4243731-A   INST FRANCAIS DU PETROLE (INSF);  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US6218038-B1   PLUG POWER INC (PLUG-Non-standard)   OKO U M,  ZIELINSKI W J;  US6242120-B1   IDATECH LLC (BLRD)   HERRON T G;  US6503651-B1 -- US3553026-A   VARTA AG (VART);  US4037024-A   US SEC OF NAVY (USNA)   LANDAU M B;  US4317864-A   SIEMENS AG (SIEI)   STRASSER K;  US4407904-A   HITACHI LTD (HITA);  HITACHI CHEM CO LTD (HITB)   UOZUMI N,  YAMAGATA T,  YASUKAWA S,  TSUTSUMI Y,  ONO S;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4555452-A   HITACHI LTD (HITA)   KAHARA T,  MORI T,  IMAHASHI J,  HONCHI A,  TAMURA K;  US4593534-A   ANALYTIC POWER CORP (ANAL-Non-standard)   BLOOMFIELD D P;  US5141823-A   VICKERS SHIPBUILDING & ENG (VICS)   WRIGHT B J,  SEYMOUR C M,  ADAMS V W,  CATCHPOLE J P;  US5149599-A   FUJI ELECTRIC MFG CO LTD (FJIE)   KAMOSHITA T;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5631540-A   AT & T CORP (AMTT)   NGUYEN T V;  US6103409-A   GENERAL MOTORS CORP (GENK)   BOSCO A D,  FRONK M H;  US6242120-B1   IDATECH LLC (BLRD)   HERRON T G;  US36148-E   SIEMENS AG (SIEI)   STRASSER K;  AU773685-B2 -- US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5631540-A   AT & T CORP (AMTT)   NGUYEN T V;  US6103409-A   GENERAL MOTORS CORP (GENK)   BOSCO A D,  FRONK M H;  US6893766-B2 -- US3553026-A   VARTA AG (VART);  US4037024-A   US SEC OF NAVY (USNA)   LANDAU M B;  US4243731-A   INST FRANCAIS DU PETROLE (INSF);  US4317864-A   SIEMENS AG (SIEI)   STRASSER K;  US4407904-A   HITACHI LTD (HITA);  HITACHI CHEM CO LTD (HITB)   UOZUMI N,  YAMAGATA T,  YASUKAWA S,  TSUTSUMI Y,  ONO S;  US4533607-A   UNITED TECHNOLOGIES CORP (UNAC)   SEDERQUIST R A;  US4555452-A   HITACHI LTD (HITA)   KAHARA T,  MORI T,  IMAHASHI J,  HONCHI A,  TAMURA K;  US4593534-A   ANALYTIC POWER CORP (ANAL-Non-standard)   BLOOMFIELD D P;  US5141823-A   VICKERS SHIPBUILDING & ENG (VICS)   WRIGHT B J,  SEYMOUR C M,  ADAMS V W,  CATCHPOLE J P;  US5149599-A   FUJI ELECTRIC MFG CO LTD (FJIE)   KAMOSHITA T;  US5200278-A   BALLARD POWER SYSTEMS INC (BLRD)   WATKINS D S,  DIRCKS K W,  EPPS D G,  GORBELL B N,  MERRITT R D;  US5316869-A   ENERGY PARTNERS INC (ENER-Non-standard)   MISIASZEK S M,  ALESSI D P,  PERRY J H,  PERSON A;  US5478662-A   SIEMENS AG (SIEI)   STRASSER K;  US5631540-A   AT & T CORP (AMTT)   NGUYEN T V;  US6103409-A   GENERAL MOTORS CORP (GENK)   BOSCO A D,  FRONK M H;  US6218038-B1   PLUG POWER INC (PLUG-Non-standard)   OKO U M,  ZIELINSKI W J;  US6242120-B1   IDATECH LLC (BLRD)   HERRON T G;  US36148-E   SIEMENS AG (SIEI)   STRASSER K