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      Scientific American May 13, 1916

      Inventions New and Interesting - May 13, 1916

      Simple Patent Law; Patent Office News; Notes on Trademarks

      • By G. T. Carliss on May 13, 1916

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      More in the May 13, 1916 issue of Scientific American
      • War Game—IX
      • A Survivor's Impressions of the “Sussex” Disaster and Observations in London and Petrograd
      • Using the Eye Instead of the Ear in the Training of a Musician, Seaweeds as a Commercial Fertilizer, and more
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