WO9517517-A1 -- US4288550-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN)   ISHIDA M,  HAGA R,  OTAHARA Y;  US5036005-A   GEORGIA TECH RES CO (GTEK)   TEDDER D W;  US5184780-A   FIRST DOMINION HOLDINGS INC (FIRS-Non-standard)   WIENS T J;  US5198074-A   CIA IND BRASILEIRAS PORTELA (INBR-Non-standard)   VILLAVICENCIO E J,  DOS SANTOS J B;  US4063903-A   COMBUSTION EQUIP (COMB-Non-standard);  US4069145-A   MAGNETIC SEPARATION (MAGN-Non-standard)   SOMMER E J,  KENNY G R;  US4341353-A   RADER COMPANIES INC (RADE-Non-standard);  BELOIT CORP (BELO)   HAMILTON F G,  KELYMAN J;  US4384897-A   UNIV CALIFORNIA (REGC)   BRINK D L;  US4522726-A   ;  US4541530-A   MAGNETIC SEPARATION (MAGN-Non-standard);  NAT RECOVERY TECHN (NARE-Non-standard)   KENNY G R,  SOMMER E J,  SHEPARD M E;  US4553977-A   FRY T H (FRYT-Individual)   FRY T H;  US4612286-A   KAMYR INC (KMYI)   SHERMAN M I,  ELMORE C L;  US4650689-A   URBAN FUELS INC (URBA-Non-standard)   HEDRICK W S;  US4692167-A   OTV OMNIUM DE TRAIT (VEOL)   LEVASSEUR J P;  US4764276-A   PROGRESS EQUITIES INC (PROG-Non-standard);  ADV SEPARATION TECH (ADSE-Non-standard)   BERRY W W,  SCHMEDA R A,  KIBLER H S;  US4874134-A   WIENS T J (WIEN-Individual)   WIENS T J;  US4952503-A   ALFA LAVAL AB (ALFA);  GRANSTEDT J (GRAN-Individual);  NOBEL CHEMATUR AB (KEMA);  CHEMATUR AB (CHEM-Non-standard)   GRANDSTEDT J;  US4974781-A   PLACZEK FAMILY TRUS (PLAC-Non-standard)   PLACZEK T M;  US5009672-A   VEZZANI SPA (VEZZ-Non-standard)   RUFFO G,  VEZZANI L;  US5060871-A   ;  US5104419-A   FUNK H F (FUNK-Individual)   FUNK H F;  US5135861-A   PAVILON S J (PAVI-Individual)   PAVILON S J;  US5260576-A   NAT RECOVERY TECHNO (NARE-Non-standard)   SOMMER E J,  KITTELL M A,  PEATMAN J R;  EP741794-A1 -- DE2919518-A   ;  EP5703-A   ;  GB1116888-A   ;  US3915818-A   ;  AU679828-B -- US5036005-A   GEORGIA TECH RES CO (GTEK)   TEDDER D W;  US5184780-A   FIRST DOMINION HOLDINGS INC (FIRS-Non-standard)   WIENS T J;  US5198014-A   ;  EP741794-B1 -- DE2919518-A   ;  EP5703-A   ;  GB1116888-A   ;  US3915818-A   ;  US4288550-A   AGENCY OF IND SCI & TECHNOLOGY (AGEN)   ISHIDA M,  HAGA R,  OTAHARA Y;  US5036005-A   GEORGIA TECH RES CO (GTEK)   TEDDER D W;  US5184780-A   FIRST DOMINION HOLDINGS INC (FIRS-Non-standard)   WIENS T J;  US5198074-A   CIA IND BRASILEIRAS PORTELA (INBR-Non-standard)   VILLAVICENCIO E J,  DOS SANTOS J B