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Scientific American

August 6, 1870

1 min read

The New Patent Laws--Important Changes Affecting American and Foreign Manufacturers--Free Trade in Patents Now Fully Established

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This article was originally published with the title “The New Patent Laws--Important Changes Affecting American and Foreign Manufacturers--Free Trade in Patents Now Fully Established” in Scientific American Magazine Vol. 23 No. 6 (August 1870), p. 87
doi:10.1038/scientificamerican08061870-87b

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