DE10049194-A1 -- DD137408-A   ;  DE4420752-A1   ;  DE19825102-A1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   TISCHLER A,  WASSER M,  LIPPERT M;  JP02030601-A   ;  US3024593-A   ;  EP1195193-A1 -- DE4420752-A1   ;  DE10001064-A1   XCELLSIS GMBH (XCEL-Non-standard)   BRAUCHLE S,  REMSCH T,  HEIL D,  SCHMID W;  EP976446-A2   ;  EP1116518-A2   XCELLSIS GMBH (XCEL-Non-standard)   BRAUCHLE S,  REMSCH T,  HEIL D,  SCHMID W;  US3528783-A   MARS (MARS);  US2002046828-A1 -- US3528783-A   MARS (MARS);  US4724902-A   ROEHM GMBH (ROHG)   GROSS H;  US5512250-A   CATALYTICA INC (CATA-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   DALLA BETTA R A,  SHOJI T,  YEE D K,  MAGNO S A;  US5672629-A   DAIMLER-BENZ AG (DAIM)   HEIL D,  BENZ U;  US5733347-A   INT FUEL CELLS CORP (ITFU)   LESIEUR R R;  US5776421-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMURA M,  SHINOKI T;  US6277339-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BONEBERG S,  BRAUCHLE S;  US6470569-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   TISCHLER A,  WASSER M,  LIPPERT M;  US6667011-B1   EXOTHERMICS INC (EXOT-Non-standard)   MUNJE S R,  MCKENNA B A;  EP1195193-B1 -- DE4420752-A1   ;  DE10001064-A1   XCELLSIS GMBH (XCEL-Non-standard)   BRAUCHLE S,  REMSCH T,  HEIL D,  SCHMID W;  EP976446-A2   ;  EP1116518-A2   XCELLSIS GMBH (XCEL-Non-standard)   BRAUCHLE S,  REMSCH T,  HEIL D,  SCHMID W;  US3528783-A   MARS (MARS);  US6932949-B2 -- DE4420752-A1   ;  EP976446-A2   ;  EP1116518-A2   XCELLSIS GMBH (XCEL-Non-standard)   BRAUCHLE S,  REMSCH T,  HEIL D,  SCHMID W;  JP08236129-A   ;  US3528783-A   MARS (MARS);  US4724902-A   ROEHM GMBH (ROHG)   GROSS H;  US5512250-A   CATALYTICA INC (CATA-Non-standard);  TANAKA KIKINZOKU KOGYO KK (TANI)   DALLA BETTA R A,  SHOJI T,  YEE D K,  MAGNO S A;  US5672629-A   DAIMLER-BENZ AG (DAIM)   HEIL D,  BENZ U;  US5733347-A   INT FUEL CELLS CORP (ITFU)   LESIEUR R R;  US5776421-A   MITSUBISHI ELECTRIC CORP (MITQ)   MATSUMURA M,  SHINOKI T;  US20010024629-A1   ;  US6277339-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   BONEBERG S,  BRAUCHLE S;  US6470569-B1   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   TISCHLER A,  WASSER M,  LIPPERT M;  US6667011-B1   EXOTHERMICS INC (EXOT-Non-standard)   MUNJE S R,  MCKENNA B A;  WO1999064146-A1