The SciencesThe New Trend of Invention Plant PatentsThe New Trend of InventionBy Sylvester J. Liddy on January 1, 1933AdvertisementABOUT THE AUTHOR(S)Recent Articles by Sylvester J. LiddyTracking Down Your Trade Mark TitleForeign Patent Licensing Corporations, Vapex Mark UpheldChicken Capsules in Patent Suit, Position of Trade Mark and more