(19)

(11)

EP 1 846 613 A1

(12)

(43) Date of publication: 24.10.2007 Bulletin 2007/43 (21) Application number: 06720504.7 (22) Date of filing: 07.02.2006

(51) International Patent Classification (IPC):  D06P 3/00(2006.01) H04R 25/00(2006.01) D06P 5/20(2006.01) (86) International application number: PCT/US2006/004450 (87) International publication number: WO 2006/086481 (17.08.2006 Gazette 2006/33)

(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 NL PL PT RO SE SI SK TR (30) Priority: 08.02.2005 US 55242 (71) Applicant: In'Tech Industries, Inc. Ramsey, MN 55303 (US)	(72) Inventors: STEVENS, Randal, A. Hanover, MN 55341 (US) INSIXIENGMAY, Sid, C. Minneapolis, MN 55411 (US) (74) Representative: Beresford, Keith Denis Lewis et al BERESFORD & Co. 16 High Holborn London WC1V 6BX London WC1V 6BX (GB)