(19)

(11)

EP 1 018 083 A1

(12)

(43) Date of publication: 12.07.2000 Bulletin 2000/28 (21) Application number: 98948434.0 (22) Date of filing: 23.09.1998

(51) International Patent Classification (IPC)7: G06F 17/16 (86) International application number: PCT/US9819/808 (87) International publication number: WO 9915/990 (01.04.1999 Gazette 1999/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 24.09.1997 US 59854 P (71) Applicants: Anderson, Michael R. Liberty, MO 64068 (US) Kuleza, John E. Berlin, CT 06037 (US)	(72) Inventors: Anderson, Michael R. Liberty, MO 64068 (US) Kuleza, John E. Berlin, CT 06037 (US) (74) Representative: Johnson, Terence Leslie  Edward Evans & Co.,Clifford's Inn,Fetter Lane London EC4A 1BX London EC4A 1BX (GB)