US2004033410-A1 -- US4567086-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  SHIGETA M,  KAJI H,  SAITOH K;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5441822-A   TOSHIBA KK (TOKE)   YAMASHITA K,  SUZUKI N;  US5508128-A   OSAKA GAS CO LTD (OSAG)   AKAGI I;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5972521-A   MCDONNELL DOUGLAS CORP (MCDD)   HUSKAMP C S,  SCHWARTZ D S,  DEUSER D A;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US6037073-A   ;  US6083638-A   SANYO ELECTRIC CO LTD (SAOL)   TANIGUCHI S,  MIYAKE Y,  KANEKO M;  US6085965-A   MCDONNELL DOUGLAS CORP (MCDD)   SCHWARTZ D S,  DEUSER D A,  MARTIN R L;  US20030096151-A1   ;  US20030203260-A1   ;  US20030228512-A1   ;  US6232010-B1   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  CISAR A J,  MURPHY O J,  SIMPSON S,  MOADDEL H,  JENG K,  WENG D;  US6379833-B1   INST GAS TECHNOLOGY (IGTE)   HILL A H,  SISHTLA C,  MARIANOWSKI L G;  US6663994-B1   GENERAL MOTORS CORP (GENK)   FLY G W,  BRADY B K;  WO2004017445-A2 -- US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5972521-A   MCDONNELL DOUGLAS CORP (MCDD)   HUSKAMP C S,  SCHWARTZ D S,  DEUSER D A;  US6085965-A   MCDONNELL DOUGLAS CORP (MCDD)   SCHWARTZ D S,  DEUSER D A,  MARTIN R L;  US20030096151-A1   ;  US20030203260-A1   ;  US20030228512-A1   ;  US6663994-B1   GENERAL MOTORS CORP (GENK)   FLY G W,  BRADY B K;  US6838202-B2 -- EP1117392-A1   ;  GB2339067-A   ;  JP09245820-A   ;  JP2002151107-A   GENERAL MOTORS CORP (GENK)   FLY G W,  BRADY B K;  US4567086-A   KUREHA KAGAKU KOGYO KK (KURE)   FUKUDA H,  SHIGETA M,  KAJI H,  SAITOH K;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5441822-A   TOSHIBA KK (TOKE)   YAMASHITA K,  SUZUKI N;  US5508128-A   OSAKA GAS CO LTD (OSAG)   AKAGI I;  US5658681-A   AISIN AW CO LTD (AISW);  EQUOS RES KK (EQUS)   SATO M,  SHIRAISHI K;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5972521-A   MCDONNELL DOUGLAS CORP (MCDD)   HUSKAMP C S,  SCHWARTZ D S,  DEUSER D A;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US6037073-A   ;  US6083638-A   SANYO ELECTRIC CO LTD (SAOL)   TANIGUCHI S,  MIYAKE Y,  KANEKO M;  US6085965-A   MCDONNELL DOUGLAS CORP (MCDD)   SCHWARTZ D S,  DEUSER D A,  MARTIN R L;  US20030096151-A1   ;  US20030203260-A1   ;  US20030228512-A1   ;  US6232010-B1   LYNNTECH INC (LYNN-Non-standard)   SALINAS C,  CISAR A J,  MURPHY O J,  SIMPSON S,  MOADDEL H,  JENG K,  WENG D;  US6379833-B1   INST GAS TECHNOLOGY (IGTE)   HILL A H,  SISHTLA C,  MARIANOWSKI L G;  US6663994-B1   GENERAL MOTORS CORP (GENK)   FLY G W,  BRADY B K;  WO205373-A   ;  WO1998035398-A1   ;  WO1998050973-A1   ;  JP4224026-B2 -- JP06223836-A   ;  JP2000173631-A   GENERAL MOTORS CORP (GENK)   FUSS R L;  DE10393075-B4 -- DE69700016-T2   ;  US5272017-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5316871-A   GENERAL MOTORS CORP (GENK)   SWATHIRAJAN S,  MIKHAIL Y M;  US5763113-A   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5972521-A   MCDONNELL DOUGLAS CORP (MCDD)   HUSKAMP C S,  SCHWARTZ D S,  DEUSER D A;  US6085965-A   MCDONNELL DOUGLAS CORP (MCDD)   SCHWARTZ D S,  DEUSER D A,  MARTIN R L;  WO2004017445-A3 -- US5776624-A   GENERAL MOTORS CORP (GENK)   NEUTZLER J K;  US5972521-A   MCDONNELL DOUGLAS CORP (MCDD)   HUSKAMP C S,  SCHWARTZ D S,  DEUSER D A;  US6085965-A   MCDONNELL DOUGLAS CORP (MCDD)   SCHWARTZ D S,  DEUSER D A,  MARTIN R L;  US20030096151-A1   ;  US20030203260-A1   ;  US20030228512-A1   ;  US6663994-B1   GENERAL MOTORS CORP (GENK)   FLY G W,  BRADY B K