US4652502-A -- US2664453-A   ;  US3779811-A   UNITED AIRCRAFT CORP (UNAC);  US3855002-A   ;  US3867206-A   ;  US3905832-A   UNITED AIRCRAFT CORP (UNAC);  US3972735-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US3990913-A   ;  US4017663-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4035551-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E;  US4038463-A   UNITED TECHNOLOGIES CORP (UNAC)   LAMARINE J H,  STEWART R C,  VINE R W;  US4043933-A   ;  US4064207-A   UNITED TECHNOLOGIES CORP (UNAC)   DECRESCENTE M A,  LAYDEN G K,  PIKE R A;  US4064322-A   UNITED TECHNOLOGIES CORP (UNAC)   BUSHNELL C L,  KUNZ H R;  US4080413-A   ;  US4115528-A   UNITED TECHNOLOGIES CORP (UNAC)   CHRISTNER L G,  NAGLE D C,  WATSON P R;  US4165349-A   UNITED TECHNOLOGIES CORP (UNAC)   SANDELLI G J;  US4173662-A   UNITED TECHNOLOGIES CORP (UNAC)   STEWART R C;  US4185131-A   UNITED TECHNOLOGIES CORP (UNAC)   GOLLER G J,  PETRAGLIA V J,  DEWS G;  US4185145-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4219611-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4233369-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D,  ROETHLEIN R J,  CONGDON J V;  US4245009-A   UNITED TECHNOLOGIES CORP (UNAC)   GUTHRIE R J;  US4259389-A   ;  US4269642-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS A J,  ROETHLEIN R J,  BREAULT J D;  US4279970-A   ;  US4287232-A   UNITED TECHNOLOGIES CORP (UNAC)   GOLLER G J,  SALONIA J R;  US4313972-A   UNITED TECHNOLOGIES CORP (UNAC)   GOLLER G J,  SALONIA J R;  US4360485-A   UNITED TECHNOLOGIES CORP (UNAC)   EMANUELSON R C,  LUOMA W L,  TAYLOR W A;  US4365008-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS J,  ROETHLEIN R J,  BREAULT R D;  US4374906-A   UNITED TECHNOLOGIES CORP (UNAC);  US4396480-A   GRACE & CO W R (GRAC)   HEGEDUS L,  LUNDSAGER C B;  US4426340-A   UNITED TECHNOLOGIES CORP (UNAC);  US4507262-A   GENERAL ELECTRIC CO (GENE)   KARAS B R,  BAUMGARTNE C E;  GB2184883-A -- US4259389-A   ;  DE3638856-A -- US3779811-A   UNITED AIRCRAFT CORP (UNAC);  US3867206-A   ;  US3905832-A   UNITED AIRCRAFT CORP (UNAC);  US3990913-A   ;  US4035551-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E;  US4038463-A   UNITED TECHNOLOGIES CORP (UNAC)   LAMARINE J H,  STEWART R C,  VINE R W;  US4064207-A   UNITED TECHNOLOGIES CORP (UNAC)   DECRESCENTE M A,  LAYDEN G K,  PIKE R A;  US4064322-A   UNITED TECHNOLOGIES CORP (UNAC)   BUSHNELL C L,  KUNZ H R;  US4080413-A   ;  US4185145-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4219611-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4245009-A   UNITED TECHNOLOGIES CORP (UNAC)   GUTHRIE R J;  US4259389-A   ;  US4269642-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS A J,  ROETHLEIN R J,  BREAULT J D;  US4360485-A   UNITED TECHNOLOGIES CORP (UNAC)   EMANUELSON R C,  LUOMA W L,  TAYLOR W A;  US4365008-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS J,  ROETHLEIN R J,  BREAULT R D;  US4374906-A   UNITED TECHNOLOGIES CORP (UNAC);  FR2592528-A -- US4035551-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E;  US4259389-A   ;  US4279970-A   ;  US4374906-A   UNITED TECHNOLOGIES CORP (UNAC);  GB2184883-B -- US4259389-A   ;  DE3638856-C2 -- US3779811-A   UNITED AIRCRAFT CORP (UNAC);  US3867206-A   ;  US3905832-A   UNITED AIRCRAFT CORP (UNAC);  US3990913-A   ;  US4035551-A   UNITED TECHNOLOGIES CORP (UNAC)   GREVSTAD P E;  US4038463-A   UNITED TECHNOLOGIES CORP (UNAC)   LAMARINE J H,  STEWART R C,  VINE R W;  US4064207-A   UNITED TECHNOLOGIES CORP (UNAC)   DECRESCENTE M A,  LAYDEN G K,  PIKE R A;  US4064322-A   UNITED TECHNOLOGIES CORP (UNAC)   BUSHNELL C L,  KUNZ H R;  US4080413-A   ;  US4185145-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4219611-A   UNITED TECHNOLOGIES CORP (UNAC)   BREAULT R D;  US4245009-A   UNITED TECHNOLOGIES CORP (UNAC)   GUTHRIE R J;  US4259389-A   ;  US4269642-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS A J,  ROETHLEIN R J,  BREAULT J D;  US4360485-A   UNITED TECHNOLOGIES CORP (UNAC)   EMANUELSON R C,  LUOMA W L,  TAYLOR W A;  US4365008-A   UNITED TECHNOLOGIES CORP (UNAC)   DECASPERIS J,  ROETHLEIN R J,  BREAULT R D;  US4374906-A   UNITED TECHNOLOGIES CORP (UNAC)