(19)

(11)

EP 1 276 654 A1

(12)

(43) Date of publication: 22.01.2003 Bulletin 2003/04 (21) Application number: 01913002.0 (22) Date of filing: 26.02.2001

(51) International Patent Classification (IPC)7: B61L 25/00 (86) International application number: PCT/US0105/934 (87) International publication number: WO 0106/2572 (30.08.2001 Gazette 2001/35)

(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: 25.02.2000 US 185067 P (71) Applicants: Lewin, Henry B Arlington, VA 22205 (US) Granite, Alfred D. Arlington, VA 22207 (US)	(72) Inventors: Lewin, Henry B Arlington, VA 22205 (US) Granite, Alfred D. Arlington, VA 22207 (US) (74) Representative: Harrison Goddard Foote  Belgrave HallBelgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)