The invention relates to a lab-top work station which is designed for use in the manual application of liquid to a slide or microwell plate and consists of a slide holder, a bridge for support of manual liquid dispensers at a predetermined location with respect to the slide holder, and...http://www.google.com.hk/patents/US5842582?utm_source=gb-gplus-share專利 US5842582 - Lab-top work station bridge
