(19)

(11)

EP 0 548 075 A1

(12)

(43) Date of publication: 30.06.1993 Bulletin 1993/26 (21) Application number: 90915856.0 (22) Date of filing: 11.09.1990

(51) International Patent Classification (IPC):  A01G 23/ 093( . ) (86) International application number: PCT/US1990/005109 (87) International publication number: WO 1992/003908 (19.03.1992 Gazette 1992/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (71) Applicant: MILBOURN, David, E. Hoquiam, WA 98550 (US)	(72) Inventor: MILBOURN, David, E. Hoquiam, WA 98550 (US) (74) Representative: Hoijtink, Reinoud, et al  Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1 NL-2517 GK Den Haag NL-2517 GK Den Haag (NL)