(19)

(11)

EP 2 037 774 A2

(12)

(88) Date of publication A3: 14.02.2008 (43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07799150.3 (22) Date of filing: 28.06.2007

(51) International Patent Classification (IPC):  A45F 3/14(2006.01) (86) International application number: PCT/US2007/072398 (87) International publication number: WO 2008/003060 (03.01.2008 Gazette 2008/01)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 28.06.2006 US 477702 (71) Applicant: Kangatek, LLC San Mateo, CA 94402 (US)	(72) Inventor: MENZEL, Gregory P. Belmont, CA 94002 (US) (74) Representative: Peterreins, Frank  Fish & Richardson P.C. Highlight Towers Mies-van-der-Rohe-Strasse 8 80807 München 80807 München (DE)