(19)

(11)

EP 0 695 208 A1

(12)

(43) Date of publication: 07.02.1996 Bulletin 1996/06 (21) Application number: 94915890.0 (22) Date of filing: 22.04.1994

(51) International Patent Classification (IPC):  A63H 37/ 00( . ) (86) International application number: PCT/US1994/004562 (87) International publication number: WO 1994/025131 (10.11.1994 Gazette 1994/25)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 23.04.1993 US 19930051355 24.06.1993 US 19930080534 19.08.1993 US 19930108245 (71) Applicant: WATKINS, James O. Poolesville, MD 20837 (US)	(72) Inventor: WATKINS, James O. Poolesville, MD 20837 (US) (74) Representative: Lucas, Brian Ronald  Lucas & Co. 135 Westhall Road Warlingham Surrey CR6 9HJ Warlingham Surrey CR6 9HJ (GB)