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Scientific American

November 13, 1915

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Inventions New and Interesting - November 13, 1915

Simple Patent Law; Patent Office News; Notes on Trademarks

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This article was originally published with the title “Inventions New and Interesting” in Scientific American Magazine Vol. 113 No. 20 (November 1915), p. 431
doi:10.1038/scientificamerican11131915-431

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