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Scientific American

April 22, 1916

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Inventions New and Interesting - April 22, 1916

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. 114 No. 17 (April 1916), p. 430
doi:10.1038/scientificamerican04221916-430

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