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(11)

EP 2 076 640 A2

(12)

(88) Date of publication A3: 15.01.2009 (43) Date of publication: 08.07.2009 Bulletin 2009/28 (21) Application number: 07852922.9 (22) Date of filing: 23.10.2007

(51) International Patent Classification (IPC):  E04G 3/00(2006.01) (86) International application number: PCT/US2007/022532 (87) International publication number: WO 2008/051560 (02.05.2008 Gazette 2008/18)

(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 (30) Priority: 23.10.2006 US 853819 P 15.11.2006 US 859464 P 22.12.2006 US 876768 P 04.01.2007 US 879091 P 14.04.2007 US 923599 P 04.09.2007 US 899046 (71) Applicant: Clo Systems, LLC West Covina, CA 91790 (US)	(72) Inventors: OH, Sung II West Covina, CA 91791 (US) YEO, Hang-koo Jungwang Dong Siheung Si Kyunggido 1866-6 (KR) (74) Representative: Bertsch, Florian Oliver  Kraus & Weisert Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15 80539 München 80539 München (DE)