(19)

(11)

EP 2 035 633 A2

(12)

(88) Date of publication A3: 21.08.2008 (43) Date of publication: 18.03.2009 Bulletin 2009/12 (21) Application number: 07798606.5 (22) Date of filing: 15.06.2007

(51) International Patent Classification (IPC):  E04B 7/00(2006.01) (86) International application number: PCT/US2007/071290 (87) International publication number: WO 2007/149774 (27.12.2007 Gazette 2007/52)

(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: 20.06.2006 US 425338 20.06.2006 US 805275 P (71) Applicant: Haddock Robert M.M. Colorado Springs, CO 80908 (US)	(72) Inventor: Haddock Robert M.M. Colorado Springs, CO 80908 (US) (74) Representative: Tanner, James Percival et al D Young & Co 120 Holborn London EC1N 2DY London EC1N 2DY (GB)