(19)

(11)

EP 1 539 355 A2

(12)

(88) Date of publication A3: 18.11.2004 (43) Date of publication: 15.06.2005 Bulletin 2005/24 (21) Application number: 03754627.2 (22) Date of filing: 16.09.2003

(51) International Patent Classification (IPC)7: B02C 13/09, B02C 13/30, B02C 21/02 (86) International application number: PCT/US2003/029046 (87) International publication number: WO 2004/026478 (01.04.2004 Gazette 2004/14)

(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 RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 17.09.2002 US 245483 11.09.2003 US 660153 (71) Applicant: Rossi, Jr. Robert Richard Charlotte, NC 28270 (US)	(72) Inventor: Rossi, Jr. Robert Richard Charlotte, NC 28270 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)