PATENT COMMITEE De Roysloot 9a Rijnsburg P.O. Box: 3205 2220 CE Katwijk The Netherlands  Tel: +31 (0)71 402 82 62 Fax: +31 (0)71 403 53 20   Chairman W.G. Lagemaat e-mail: wglagemaat@patcom.org Secretary G.F. Schultheiss e-mail: gschultheiss@patcom.org   Treasurer G. Frackenpohl e-mail: gfrackenpohl@patcom.org