(19)

(11)

EP 1 543 302 A1

(12)

(43) Date of publication: 22.06.2005 Bulletin 2005/25 (21) Application number: 02752538.5 (22) Date of filing: 23.07.2002

(51) International Patent Classification (IPC)7: G01K 1/02, G01K 3/00, G01K 5/00 (86) International application number: PCT/US2002/023385 (87) International publication number: WO 2004/013591 (12.02.2004 Gazette 2004/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (71) Applicants: Akers, Jeffrey W. Columbia, MO 65201 (US) Zerkus, James Michael Jupiter, FL 33458 (US)	(72) Inventors: Akers, Jeffrey W. Columbia, MO 65201 (US) Zerkus, James Michael Jupiter, FL 33458 (US) (74) Representative: Tollett, Ian et al Williams PowellMorley House26-30 Holborn Viaduct London EC1A 2BP London EC1A 2BP (GB)