Today in 1961, US Patent 2496858 A was issued, an invention of Walter E. Wiesenthal, for his “Barley Debearder and Seed Cleaner.” there’s no Abstract, but according to the description, the ” invention relates to a seed cleaning and screening apparatus adapted to separate seeds of various crops which have been sown and harvested together. An important object of the invention is to provide an apparatus of this character which will operate effectively in debearding barley during the barley cleaning operation. A further object of the invention is to provide an apparatus wherein the various stages of cleaning and classifying the seeds will be accomplished simultaneously with the operation of the apparatus.”
