WO200076651-A1 -- US4308233-A   BRIDGESTONE TIRE KK (BRID)   NARUMIYA T,  IZUHARA S;  US4415484-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  US4451578-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  BETT J A S;  US4789540-A   JOHNSON MATTHEY PLC (JOHO)   JENKINS J W;  US5110780-A   GRACE & CO W R (GRAC)   PETERS A W;  US5384099-A   SHELLER D T (SHEL-Individual)   SHELLER D T;  US5498370-A   AMOCO CORP (STAD)   BHATTACHARYYA A,  BASU A;  WO1998008771-A2   ;  US6746650-B1 -- EP913357-A1   NGK INSULATORS LTD (NIGA)   ABE F;  US3904554-A   BRITISH GAS CORP (GASC);  US4027476-A   ROCKET RES CORP (ROCK-Non-standard)   SCHMIDT E W;  US4308233-A   BRIDGESTONE TIRE KK (BRID)   NARUMIYA T,  IZUHARA S;  US4414140-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J;  US4415484-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  US4451578-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  BETT J A S;  US4503029-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J;  US4693882-A   INT FUEL CELLS CORP (ITFU)   SETZER H J,  KARAVOLIS S,  BETT J A S;  US4755498-A   INT FUEL CELLS CORP (ITFU)   SETZER H J,  KARRAVOLIS S,  BETT J A S,  KARAVOLIS S;  US4781241-A   INT FUEL CELLS CORP (ITFU)   MISAGE R,  SCHEFFLER G W,  SETZER H J,  MARGIOTT P R,  PARENTI E K;  US4789540-A   JOHNSON MATTHEY PLC (JOHO)   JENKINS J W;  US5110780-A   GRACE & CO W R (GRAC)   PETERS A W;  US5384099-A   SHELLER D T (SHEL-Individual)   SHELLER D T;  US5498370-A   AMOCO CORP (STAD)   BHATTACHARYYA A,  BASU A;  US5733347-A   INT FUEL CELLS CORP (ITFU)   LESIEUR R R;  US5769909-A   INT FUEL CELLS CORP (ITFU)   SEDERQUIST R A,  SZYDLOWSKI D F,  CORRIGAN T J,  BONK S P,  LESIEUR R R;  US5853674-A   INT FUEL CELLS CORP (ITFU)   LESIEUR R R;  WO1999025649-A1   ;  WO1998008771-A2   ;  JP4718069-B2 -- JP02099141-A   ;  JP05303972-A   ;  JP06039294-A   ;  JP08231201-A   ;  JP08301602-A   ;  JP56126433-A   BRIDGESTONE TIRE KK (BRID)   NARUMIYA T,  IZUHARA S;  JP58139743-A   ;  JP58196849-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  KARAVOLIS S,  WNUCK W G;  JP58199701-A   UNITED TECHNOLOGIES CORP (UNAC)   SETZER H J,  LESIEUR R R,  BETT J A S;  JP62059501-A   JOHNSON MATTHEY PLC (JOHO)   JENKINS J W;  JP63129002-A   ;  JP2003517985-A   SHELL INT RES MIJ BV (SHEL)   KRAMER G J,  VAN DER MEER J W,  PIETERSE C W J,  SCHOONEBEEK R J,  WENTINCK H M,  SEVENHUIJSEN E;  JP2003526590-A   ;  JP09510178-W   ;  WO1998008771-A2