US2007087260-A1 -- US3523408-A   PALL CORP (PALL);  US6045877-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   GLEASON K K,  KWAN M C;  US20030008200-A1   ;  US20030138645-A1   ;  US20050181694-A1   ;  US6365293-B1   SANYO ELECTRIC CO LTD (SAOL)   ISONO T,  MIYAKE Y,  HAMADA A,  KANEKO M,  NAKATO K;  US6368751-B1   REVEO INC (REVO)   YAO W,  TSAI T;  US6928893-B2   ROTH J (ROTH-Individual)   ROTH J;  CN100592557-C -- CN1036146-A   KELETMAGYARORSZAGIV (KELE-Non-standard)   PAPP L,  SZONYL I,  MIKLOSSY F,  ANYOS J,  WEINGER A,  VOLGYESL J;  CN1516311-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   GYOTEN H,  YASUMOTO E,  HATOH K,  UCHIDA M,  SUGAWARA Y,  KANBARA T,  MORITA J,  OHARA H,  NISHIDA K,  SAKAI O,  ONO Y,  TAKEBE Y;  CN1608331-A   DU PONT DE NEMOURS & CO E I (DUPO)   BARTON K,  BANERJEE S;  US20040137311-A1   ;  US20050064275-A1   ;  US20050084742-A1   ;  US7722979-B2 -- US3523408-A   PALL CORP (PALL);  US6045877-A   MASSACHUSETTS INST TECHNOLOGY (MASI)   GLEASON K K,  KWAN M C;  US20030008200-A1   ;  US20030138645-A1   ;  US20050181694-A1   ;  US6365293-B1   SANYO ELECTRIC CO LTD (SAOL)   ISONO T,  MIYAKE Y,  HAMADA A,  KANEKO M,  NAKATO K;  US6368751-B1   REVEO INC (REVO)   YAO W,  TSAI T;  US6928893-B2   ROTH J (ROTH-Individual)   ROTH J;  JP5086601-B2 -- EP604683-A1   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  JP08045517-A   ;  JP57111957-A   ;  JP2001283875-A   EQUOS RES KK (EQUS)   YAMAMOTO T,  KOBAYASHI M,  YAMANA K,  KATO H;  JP2001510932-A   ;  JP2003109604-A   MATSUSHITA DENKI SANGYO KK (MATU)   YOSHIDA A,  YASUMOTO E,  SAKAI O,  UCHIDA M,  MORITA J,  SUGAWARA Y,  TAKEBE Y;  JP2005525681-A   3M INNOVATIVE PROPERTIES CO (MINN)   WALD D A,  LE J M,  YANDRASITS M A,  BOUCHER P M;  JP2006202740-A   MATSUSHITA ELECTRIC IND CO LTD (MATU)   UEDA H,  FUKUDA S;  JP3702273-B2   MITSUBISHI HEAVY IND CO LTD (MITO)   ITO H,  KOBAYASI T,  MORIGA T,  YAMADA A;  US5523175-A   INT FUEL CELLS INC (ITFU)   BEAL D,  MARTIN R G,  GORMAN M E;  WO2005124903-A1   NISSAN MOTOR CO LTD (NSMO)   ICHIKAWA S,  YAMAMOTO M,  WAKI N;  DE102006048612-B4 -- US20050064275-A1   ;  US6365293-B1   SANYO ELECTRIC CO LTD (SAOL)   ISONO T,  MIYAKE Y,  HAMADA A,  KANEKO M,  NAKATO K;  US6368751-B1   REVEO INC (REVO)   YAO W,  TSAI T