(19)

(11)

EP 1 407 089 A2

(12)

(88) Date of publication A3: 12.09.2003 (43) Date of publication: 14.04.2004 Bulletin 2004/16 (21) Application number: 02746638.2 (22) Date of filing: 21.06.2002

(51) International Patent Classification (IPC)7: E04B 1/00 (86) International application number: PCT/US2002/019867 (87) International publication number: WO 2003/000013 (03.01.2003 Gazette 2003/01)

(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: 21.06.2001 US 887772 (71) Applicant: Roen, Roger Spokane, WA 99201 (US)	(72) Inventor: Roen, Roger Spokane, WA 99201 (US) (74) Representative: Driver, Virginia Rozanne et al Page White & Farrer54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)