An apparatus for distributing sample liquids from source test tubes into destination test tubes. It has distribution tips and air-supply devices for supplying air to the tips at a low rate. The tips are lowered into the source tubes, while air is flowing from the devices and through the tips. The moment...http://www.google.com/patents/US5013529?utm_source=gb-gplus-sharePatent US5013529 - Apparatus for distributing sample liquid
