(19)

(11)

EP 1 405 239 A2

(12)

(88) Date of publication A3: 10.04.2003 (43) Date of publication: 07.04.2004 Bulletin 2004/15 (21) Application number: 02739689.4 (22) Date of filing: 06.06.2002

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/US2002/017733 (87) International publication number: WO 2002/099585 (12.12.2002 Gazette 2002/50)

(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: 06.06.2001 US 295853 P (71) Applicant: Lenhard, William R. Baltimore, MD 21218 (US)	(72) Inventor: Lenhard, William R. Baltimore, MD 21218 (US) (74) Representative: Beresford, Keith Denis Lewis  BERESFORD & Co.16 High Holborn London WC1V 6BX London WC1V 6BX (GB)