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  1. Showing 1 - 36 out of 178 results for "patent inventions free"
    1. Used
      Great Invention! Now What : Evaluate, Patent, Trademark, And License Your New Invention By Charles B. Mcgough
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      1
      Great Invention! Now What : Evalua…
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      BetterWorld.com - New, Used, Rare Books & Textbooks CJ US
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    2. Used
      Patent It Yourself! : How To Protect, Patent And Market Your Inventions By David R. Pressman
      Patent It Yourself! : How To Protect…
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      BetterWorld.com - New, Used, Rare Books & Textbooks CJ US
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    3. Used
      Inventions And Patents By Steve S. Barbarich
      Inventions And Patents By Steve S. …
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      BetterWorld.com - New, Used, Rare Books & Textbooks CJ US
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    4. Used
      Patents : Ingenious Inventions, How They Work And How They Came To Be By Ben Ikenson
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      1
      Patents : Ingenious Inventions, Ho…
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      BetterWorld.com - New, Used, Rare Books & Textbooks CJ US
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    5. From Invention To Patent A Scientis…
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      Attentive Sons Printing Co.
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