WO200143216-A2 -- EP827226-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  WO2000002282-A1   ;  US6461751-B1 -- EP827226-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  JP01089155-A   ;  JP01239772-A   ;  JP06223850-A   ;  JP07022047-A   ;  JP08287931-A   ;  JP09027336-A   ;  JP60208059-A   ;  JP60212966-A   ;  JP61279071-A   HITACHI LTD (HITA)   MITSUGI K,  OKADA H,  IWASE Y,  TAKEUCHI M,  TAMURA K;  US3268364-A   ;  US3753780-A   ;  US4202933-A   UNITED TECHNOLOGIES CORP (UNAC)   REISER C A,  LAUNDAU M B;  US4689133-A   DOW CHEM CO (DOWC)   MCILHENNY W F;  US4787964-A   WESTINGHOUSE ELECTRIC CORP (WESE);  CATERPILLAR IND INC (CATE)   HOSSIAN M S,  YEAGER E B,  TRYK D A,  GORDON A Z;  US4859545-A   INT FUEL CELLS CORP (ITFU)   SCHEFFLER G W,  VARTANIAN G;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5432020-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5434016-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5645950-A   DAIMLER-BENZ AG (DAIM)   FLECK W;  US5771476-A   BALLARD POWER SYSTEMS INC (BLRD)   MUFFORD W E,  STRASKY D G;  US5780981-A   DAIMLER-BENZ AG (DAIM);  DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   SONNTAG J,  LORENZ H;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  WO22822000-A   ;  WO1997044844-A1   ;  WO1998015022-A1   ;  EP1245054-B1 -- EP827226-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  WO2000002282-A1   ;  WO200143216-A3 -- EP827226-A2   GENERAL MOTORS CORP (GENK)   MELTSER M A,  GROT S A;  US5366821-A   BALLARD POWER SYSTEMS INC (BLRD)   MERRITT R D,  BLAIR J D;  US5991670-A   DBB FUEL CELL ENGINES GMBH (DBBF-Non-standard)   STRASKY D G,  MUFFORD W E;  WO2000002282-A1