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      Knowledge is Power

      Scientific American September 12, 1914

      Inventions New and Interesting- September 12, 1914

      Simple Patent Law ; Patent Office News ; Notes on Trademarks

      • By Herbert T. Wade on September 12, 1914

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      More in the September 12, 1914 issue of Scientific American
      • The First Month of the War, Penalizing Invention, and more
      • Combining the Phonograph and the Camera
      • Recently Patented Inventions- September 12, 1914
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