Patents and free enterprise.

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  od: Nourse, Edwin Griswold, 1883-
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• To all people to whom these presents shall come, Greeting : Whereas I, Elisha Perkins, of Plainfield, in the state of Connecticut, have ... obtained a patent in the form following ... A new and expeditious method of removing pains and inflammations from the human body by the application of metallic substances
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  Izdano: (1796)
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  Izdano: (1894)