(19)

(11)

EP 1 488 186 A2

(12)

(88) Date of publication A3: 31.12.2003 (43) Date of publication: 22.12.2004 Bulletin 2004/52 (21) Application number: 03711312.3 (22) Date of filing: 28.02.2003

(51) International Patent Classification (IPC)7: F41H 11/16 (86) International application number: PCT/US2003/006174 (87) International publication number: WO 2003/074961 (12.09.2003 Gazette 2003/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 01.03.2002 US 361506 P (71) Applicants: Brisant Companies Minneapolis, MN 55401 (US) Manders, Stephen Minneapolis, MN 55458-0205 (US)	(72) Inventor: MANDERS, Stephen Minneapolis, MN 55458-0205 (US) (74) Representative: Bowman, Paul Alan et al Lloyd WiseCommonwealth House,1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)