EP1073138-A2 -- DE10028395-A1   NOK CORP (NIOD);  EP1174482-A1   NOK CORP (NIOD)   SENDA K,  ANDO O;  JP2000077084-A   ;  US6451469-B1 -- EP918362-A2   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP10092450-A   ;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6096451-A   MURATA MFG CO LTD (MURA)   SHIRATORI A,  IHA M,  TAKAGI H;  US2002192529-A1 -- US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6096451-A   MURATA MFG CO LTD (MURA)   SHIRATORI A,  IHA M,  TAKAGI H;  US6231053-B1   NOK CORP (NIOD);  US6451469-B1   TIGERS POLYMER KK (TIGE)   NAKAMURA Y,  TAKAO H;  JP3456935-B2 -- JP03101058-A   ;  JP08148171-A   ;  WO1999005355-A1   ;  US2006099330-A1 -- US4001042-A   UNITED TECHNOLOGIES CORP (UNAC);  S T POWERCELL AB (STPO-Non-standard)   TROCCIOLA J C,  ELMORE D E,  STOSAK R J;  US4014730-A   STANDARD OIL CO OHIO (STAH)   SELOVER T B,  BOOS D L,  HACHA T H;  US4517066-A   GOODYEAR TIRE & RUBBER CO (GOOD)   HENKO D A;  US4552688-A   TOSHIBA SILICONE KK (TSIL)   SAKAMOTO R,  YAMAZAKI T;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US5872170-A   DOW CORNING TORAY SILICONE (DOWO)   MINE K,  MITANI O,  NAKAYOSHI K,  TAZAWA R;  US6096451-A   MURATA MFG CO LTD (MURA)   SHIRATORI A,  IHA M,  TAKAGI H;  US6231053-B1   NOK CORP (NIOD);  US6319973-B1   REINZ DICHTUNG GMBH (REIZ)   LEMM M,  LEMKE K,  GRAFL D;  US6361830-B1   ELRING KLINGER GMBH (ELRI-Non-standard)   SCHENK P,  BUCK R;  US6451469-B1   TIGERS POLYMER KK (TIGE)   NAKAMURA Y,  TAKAO H;  US7052797-B2 -- DE10028395-A1   NOK CORP (NIOD);  EP1174482-A1   NOK CORP (NIOD)   SENDA K,  ANDO O;  EP918362-A2   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP10092450-A   ;  JP2000000920-A   ;  JP2000077084-A   ;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6096451-A   MURATA MFG CO LTD (MURA)   SHIRATORI A,  IHA M,  TAKAGI H;  US6231053-B1   NOK CORP (NIOD);  US6451469-B1   TIGERS POLYMER KK (TIGE)   NAKAMURA Y,  TAKAO H;  US7553577-B2 -- EP918362-A2   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  US4001042-A   UNITED TECHNOLOGIES CORP (UNAC);  S T POWERCELL AB (STPO-Non-standard)   TROCCIOLA J C,  ELMORE D E,  STOSAK R J;  US4014730-A   STANDARD OIL CO OHIO (STAH)   SELOVER T B,  BOOS D L,  HACHA T H;  US4517066-A   GOODYEAR TIRE & RUBBER CO (GOOD)   HENKO D A;  US4552688-A   TOSHIBA SILICONE KK (TSIL)   SAKAMOTO R,  YAMAZAKI T;  US5872170-A   DOW CORNING TORAY SILICONE (DOWO)   MINE K,  MITANI O,  NAKAYOSHI K,  TAZAWA R;  US6319973-B1   REINZ DICHTUNG GMBH (REIZ)   LEMM M,  LEMKE K,  GRAFL D;  US6361830-B1   ELRING KLINGER GMBH (ELRI-Non-standard)   SCHENK P,  BUCK R;  DE10028395-A1   NOK CORP (NIOD);  EP1174482-A1   NOK CORP (NIOD)   SENDA K,  ANDO O;  JP10092450-A   ;  JP2000000920-A   ;  JP2000077084-A   ;  US5176966-A   BALLARD POWER SYSTEMS INC (BLRD)   EPP D G,  WIENS B I;  US6096451-A   MURATA MFG CO LTD (MURA)   SHIRATORI A,  IHA M,  TAKAGI H;  US6231053-B1   NOK CORP (NIOD);  US6451469-B1   TIGERS POLYMER KK (TIGE)   NAKAMURA Y,  TAKAO H;  EP1073138-B1 -- DE10028395-A1   NOK CORP (NIOD);  EP1174482-A1   NOK CORP (NIOD)   SENDA K,  ANDO O;  EP918362-A2   TOYOTA JIDOSHA KK (TOYT)   MIZUNO S;  JP08069806-A