(19)

(11)

EP 1 166 213 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00920045.2 (22) Date of filing: 03.04.2000

(51) International Patent Classification (IPC)7: G06F 15/173 (86) International application number: PCT/US0008/780 (87) International publication number: WO 0060/486 (12.10.2000 Gazette 2000/41)

(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: 01.04.1999 US 127330 P (71) Applicant: Loeper, David B. Midlothian, VA 23001 (US)	(72) Inventor: Loeper, David B. Midlothian, VA 23001 (US) (74) Representative: Wilson Gunn M'Caw  41-51 Royal Exchange, Cross Street Manchester M2 7BD Manchester M2 7BD (GB)