(19)

(11)

EP 2 119 092 A2

(12)

(88) Date of publication A3: 27.11.2008 (43) Date of publication: 18.11.2009 Bulletin 2009/47 (21) Application number: 07772246.0 (22) Date of filing: 06.03.2007

(51) International Patent Classification (IPC):  H04L 9/00(2006.01) (86) International application number: PCT/US2007/005803 (87) International publication number: WO 2008/108764 (12.09.2008 Gazette 2008/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (71) Applicant: Oxford, William V. Austin, TX 78755 (US)	(72) Inventor: Oxford, William V. Austin, TX 78755 (US) (74) Representative: Schäfer, Wolfgang  Dreiss Patentanwälte Postfach 10 37 62 70032 Stuttgart 70032 Stuttgart (DE)