A sample feeder for use in an electrophoresis system comprises a sample tray on which a plurality of the sample containers are placed in juxtaposition, and a carriage on which the sample tray is placed. The carriage is driven for movement, and individual sample containers on the sample tray are sequentially...http://www.google.co.uk/patents/US4199428?utm_source=gb-gplus-sharePatent US4199428 - Sample feeder for use in automatic electrophoresis system
