(19)

(11)

EP 1 234 309 A2

(12)

(88) Date of publication A3: 13.06.2002 (43) Date of publication: 28.08.2002 Bulletin 2002/35 (21) Application number: 00936135.3 (22) Date of filing: 19.05.2000

(51) International Patent Classification (IPC)7: G21G 1/12 (86) International application number: PCT/US0013/922 (87) International publication number: WO 0007/2329 (30.11.2000 Gazette 2000/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.05.1999 US 316700 (71) Applicant: Brown, Paul M. Meridian, ID 83642 (US)	(72) Inventor: Brown, Paul M. Meridian, ID 83642 (US) (74) Representative: Gee, Steven William  D.W. & S.W. GEE,1 South Lynn Gardens,London Road Shipston on Stour, Warwickshire CV36 4ER Shipston on Stour, Warwickshire CV36 4ER (GB)