A hand-held manipulative probe for automated liquid dispensers for dispensing reagents or diluting samples with reagent automatically in accord with a programmed local microprocessor or remote computer control which grips the flexible pipette tubing, provides remote hand control and provides dispenser...http://www.google.es/patents/US4528161?utm_source=gb-gplus-sharePatente US4528161 - Probe for automated liquid dispenser
