WO9507554-A1 -- EP721675-A1   TECHNOLOGY MANAGEMENT INC (TECH-Non-standard)   CABLE T L,  PETRIK M A;  US4770955-A   STANDARD OIL CO OHIO (STAH)   RUHL R C;  US5445903-A -- EP399833-A   STANDARD OIL CO OHIO (STAH)   CABLE T L,  MAZANEC T J,  FRYE J G;  US3578502-A   CIE FR RAFFINAGE SA (COFR);  US4088501-A   ;  US4317865-A   UNITED TECHNOLOGIES CORP (UNAC)   TROCCIOLA J C,  SCHROLL C R,  VINE R W;  US4331565-A   GENERAL MOTORS CORP (GENK)   SCHAEFER C F,  BEDFORD R E;  US4476246-A   GRACE & CO W R (GRAC)   KIM G,  ERNEST M V;  US4490444-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US4517260-A   MITSUBISHI ELECTRIC CORP (MITQ)   MITSUTA K;  US4547437-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O,  RUKA R J,  ZYMBOLY G E;  US4582766-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O,  ZYMBOLY G E;  US4590090-A   GENERAL ELECTRIC CO (GENE)   SIEMERS P A,  KRYSTYNIAK C W;  US4597170-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US4598467-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O,  RUKA R J;  US4702971-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US4770955-A   STANDARD OIL CO OHIO (STAH)   RUHL R C;  US4812329-A   WESTINGHOUSE ELECTRIC CORP (WESE)   ISENBERG A O;  US5028036-A   ;  US5177035-A   STEMCOR CORP (STEM-Non-standard)   GEE A W,  KRISHNASWA P,  SANE A Y;  US5240480-A   AIR PROD & CHEM INC (AIRP)   THOROGOOD R M,  SRINIVASAN R,  YEE T F,  DRAKE M P;  US5277995-A   ;  EP721675-A1 -- DE3922673-A   SIEMENS AG (SIEI)   IVERSTIFF E,  WERSING W;  EP426265-A   MITSUBISHI JUKOGYO KK (MITO)   IRINO M,  GORA T,  MINAMI M,  MIYAMOTOT H,  SUMI M,  TOMITA N,  WATANABLE K,  OGURA K;  EP510820-A2   NGK INSULATORS LTD (NIGA)   SEIKE S,  YAMADA H;  JP01197972-A   ;  JP04121967-A   ;  JP04121968-A   ;  US5035962-A   WESTINGHOUSE ELECTRIC CORP (WESE)   JENSEN R R;  AU686227-B -- US4770955-A   STANDARD OIL CO OHIO (STAH)   RUHL R C;  EP721675-B1 -- DE3922673-A   SIEMENS AG (SIEI)   IVERSTIFF E,  WERSING W;  EP426265-A   MITSUBISHI JUKOGYO KK (MITO)   IRINO M,  GORA T,  MINAMI M,  MIYAMOTOT H,  SUMI M,  TOMITA N,  WATANABLE K,  OGURA K;  EP510820-A2   NGK INSULATORS LTD (NIGA)   SEIKE S,  YAMADA H;  JP01197972-A   ;  JP04121967-A   ;  JP04121968-A   ;  US4770955-A   STANDARD OIL CO OHIO (STAH)   RUHL R C;  US5035962-A   WESTINGHOUSE ELECTRIC CORP (WESE)   JENSEN R R