(19)

(11)

EP 0 148 939 A1

(12)

(43) Date of publication: 24.07.1985 Bulletin 1985/30 (21) Application number: 84902871.0 (22) Date of filing: 11.07.1984

(51) International Patent Classification (IPC):  B63H 9/ 06( . ) (86) International application number: PCT/US1984/001073 (87) International publication number: WO 1985/000573 (14.02.1985 Gazette 1985/04)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 15.07.1983 US 19830514007 (71) Applicant: WILDENSTEINER, Otto M. Bethesda, MD 20814 (US)	(72) Inventor: WILDENSTEINER, Otto M. Bethesda, MD 20814 (US) (74) Representative: Whalley, Kevin, et al  MARKS & CLERK, 57-60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)