(19)

(11)

EP 1 316 037 A1

(12)

(43) Date of publication: 04.06.2003 Bulletin 2003/23 (21) Application number: 01944297.9 (22) Date of filing: 06.06.2001

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US0118/204 (87) International publication number: WO 0109/5220 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.06.2000 US 588927 (71) Applicants: Benton, Robin M. Dallas, TX 75204 (US) Parks, Susan E. Dallas, TX 75204 (US)	(72) Inventors: Benton, Robin M. Dallas, TX 75204 (US) Parks, Susan E. Dallas, TX 75204 (US) (74) Representative: Baumgärtel, Gunnar, Dr. et al Patentanwälte Maikowski & Ninnemann,Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)