US2003087138-A1 -- US4115627-A   UNITED TECHNOLOGIES CORP (UNAC)   CHRISTNER L G,  NAGLE D C;  US4537839-A   JOHNSON MATTHEY PLC (JOHO)   CAMERON D;  US5045414-A   INT FUEL CELLS CORP (ITFU)   BUSHNELL C L,  DAVIS C L;  US5154986-A   YAMAHA HATSUDOKI KK (YMHA)   TAKECHI H,  MIZUNO Y,  ANMA T;  US5248567-A   TOSHIBA KK (TOKE)   TAKASHI A,  TETSUYA F,  MOTOHIRO T,  MASAHIRO A,  YUJI N,  SATOSHI S;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US6033634-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   KOGA M;  US6159626-A   GENERAL MOTORS CORP (GENK)   KESKULA D H,  DOAN T M,  CLINGERMAN B J;  US6280864-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J;  WO2003041203-A1 -- US5045414-A   INT FUEL CELLS CORP (ITFU)   BUSHNELL C L,  DAVIS C L;  US5248567-A   TOSHIBA KK (TOKE)   TAKASHI A,  TETSUYA F,  MOTOHIRO T,  MASAHIRO A,  YUJI N,  SATOSHI S;  US6033634-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   KOGA M;  US6159626-A   GENERAL MOTORS CORP (GENK)   KESKULA D H,  DOAN T M,  CLINGERMAN B J;  US6280864-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J;  US6828048-B2 -- US4115627-A   UNITED TECHNOLOGIES CORP (UNAC)   CHRISTNER L G,  NAGLE D C;  US4537839-A   JOHNSON MATTHEY PLC (JOHO)   CAMERON D;  US5045414-A   INT FUEL CELLS CORP (ITFU)   BUSHNELL C L,  DAVIS C L;  US5154986-A   YAMAHA HATSUDOKI KK (YMHA)   TAKECHI H,  MIZUNO Y,  ANMA T;  US5248567-A   TOSHIBA KK (TOKE)   TAKASHI A,  TETSUYA F,  MOTOHIRO T,  MASAHIRO A,  YUJI N,  SATOSHI S;  US5503944-A   INT FUEL CELLS CORP (ITFU)   MARGIOTT P R,  MEYER A P,  SCHEFFLER G W;  US6024848-A   INT FUEL CELLS CORP (ITFU)   DUFNER B F,  BREAULT R D;  US6033634-A   ISHIKAWAJIMA HARIMA HEAVY IND (ISHI)   KOGA M;  US6159626-A   GENERAL MOTORS CORP (GENK)   KESKULA D H,  DOAN T M,  CLINGERMAN B J;  US6280864-B1   UOP LLC (UNVO)   TOWLER G P,  DOSHI K J,  VANDEN BUSSCHE K M,  SENETAR J J