(19)

(11)

EP 0 613 561 A1

(12)

(43) Date of publication: 07.09.1994 Bulletin 1994/36 (21) Application number: 93900697.0 (22) Date of filing: 19.11.1992

(51) International Patent Classification (IPC):  G01N 24/ 08( . ) G01R 33/ 44( . ) G01R 33/ 389( . ) G01R 33/ 46( . ) (86) International application number: PCT/US1992/010245 (87) International publication number: WO 1993/010468 (27.05.1993 Gazette 1993/13)

(84) Designated Contracting States: AT BE CH DE ES FR GB LI NL SE (30) Priority: 20.11.1991 US 19910794931 19.05.1992 US 19920885633 (71) Applicant: AUBURN INTERNATIONAL, INC. Danvers Massachusetts 01923-5008 (US)	(72) Inventors: DECHENE, Ronald, L. Danvers, MA 01923-5008 (US) SMITH, Thomas, B. Danvers, MA 01923-5008 (US) MARINO, Scott, A. Danvers, MA 01923-5008 (US) TACHE, Ronald, J. Danvers, MA 01923-5008 (US) ROY, Ajoy Danvers, MA 01923-5008 (US) (74) Representative: Jones, Ian  W.P. THOMPSON & CO. Celcon House 289-293 High Holborn London WC1V 7HU London WC1V 7HU (GB)