The present invention is a sample deposition device for depositing a plurality of samples onto a test media substrate, and a method of depositing a plurality of samples onto a planar test media substrate, such as a stationary phase chromatographic medium, agar or tissue. In broadest terms,...http://www.google.co.uk/patents/US5683915?utm_source=gb-gplus-sharePatent US5683915 - Sample deposition device and method
