(19)

(11)

EP 0 426 664 A1

(12)

(43) Date of publication: 15.05.1991 Bulletin 1991/20 (21) Application number: 88907928.0 (22) Date of filing: 29.07.1988

(51) International Patent Classification (IPC):  H04M 1/ 05( . ) (86) International application number: PCT/US1988/002602 (87) International publication number: WO 1990/001839 (22.02.1990 Gazette 1990/05)

(84) Designated Contracting States: DE FR GB IT (71) Applicant: RUSSO, Angelo Latham, NY 12110 (US)	(72) Inventor: RUSSO, Angelo Latham, NY 12110 (US) (74) Representative: Meyers, Ernest  Office de Brevets FREYLINGER & ASSOCIES B.P. 1 321, route d'Arlon L-8001 Strassen L-8001 Strassen (LU)