(19)

(11)

EP 1 799 402 A1

(12)

(43) Date of publication: 27.06.2007 Bulletin 2007/26 (21) Application number: 05808056.5 (22) Date of filing: 05.10.2005

(51) International Patent Classification (IPC):  B24D 11/00(2006.01) (86) International application number: PCT/US2005/035979 (87) International publication number: WO 2006/042010 (20.04.2006 Gazette 2006/16)

(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: 06.10.2004 US 616944 P 27.12.2004 US 639257 P (71) Applicant: Bajaj, Rajeev Fremont, California 94539 (US)	(72) Inventor: Bajaj, Rajeev Fremont, California 94539 (US) (74) Representative: Pluckrose, Anthony William  BOULT WADE TENNANT, Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)