;  WO200024076-A1 -- DE3345778-A   ;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  EP627288-A1   ;  EP677417-A1   DAIMLER-BENZ AG (DAIM)   RIEMER B,  KLAIBER T;  GB2250130-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  JP09092315-A   ;  US4619761-A   KOPPERS CO INC (KOPP);  SPROUT BAUER INC (BAUB)   FRANZEN R G;  US6537691-B1 -- DE627288-A   ;  DE3345778-A   ;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  EP627288-A1   ;  EP677417-A1   DAIMLER-BENZ AG (DAIM)   RIEMER B,  KLAIBER T;  GB2250130-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  JP09092315-A   ;  JP86067625-B   ;  US3607066-A   VARTA AG (VART);  US3702532-A   ;  US3725236-A   ;  US4261956-A   ENGELHARD MINERALS CORP (ENGH)   ADLHART O J;  US4595469-A   CHEVRON RES CO (CALI)   FOLLER P C;  US4619761-A   KOPPERS CO INC (KOPP);  SPROUT BAUER INC (BAUB)   FRANZEN R G;  US5401589-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  US5560999-A   AER ENERGY RESOURCES INC (AERE-Non-standard)   YOUNG J E,  SIEMINSKI D P,  SKEGGS L T,  CHERRY E C,  PEDICINI C;  US6074771-A   IGR ENTERPRISES INC (IGRI-Non-standard)   CUBUKCU E,  DAHAR S,  DODEJA R S,  GORDON A Z,  KALYNCHUK D G,  PRINCE T S,  SOLTESZ J M,  WAITE M,  CHAWLA S;  US6126908-A   LITTLE INC ARTHUR D (LITT)   CLAWSON L G;  US6171574-B1   JUDA ASSOC INC WALTER (JUDA-Non-standard)   JUDA W,  KRUEGER C W;  US6224744-B1   SE CARBUROS METALICOS SA (SECA-Non-standard)   CASADO GIMENEZ J,  BRILLAS COSO E,  BASTIDA BONANY R M,  VANDERMEIREN M;  US6245303-B1   LITTLE INC ARTHUR D (LITT)   BENTLEY J M,  MITCHELL W L,  CLAWSON L G,  CROSS J C;  US6361891-B1   INT FUEL CELLS LLC (ITFU)   BREAULT R D,  CONDIT D A,  VAN DINE L L,  STEINBUGLER M M;  US6425440-B1   BORST INC (BORS-Non-standard)   TSENTER B,  PETROV A;  EP1133808-B1 -- DE3345778-A   ;  DE19731250-A1   TOYOTA JIDOSHA KK (TOYT)   NONOBE Y;  EP627288-A1   ;  EP677417-A1   DAIMLER-BENZ AG (DAIM)   RIEMER B,  KLAIBER T;  GB2250130-A   VICKERS SHIPBUILDING & ENG (VICS);  CJBD LTD (CJBD-Non-standard)   PALMER I,  SEYMOUR C M,  DAMS R A J;  JP09092315-A   ;  US4619761-A   KOPPERS CO INC (KOPP);  SPROUT BAUER INC (BAUB)   FRANZEN R G;  JP3640887-B2 -- JP03236166-A   ;  JP06044998-A   ;  JP07315801-A   ;  JP09299764-A   ;  JP60112263-A