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Scientific American

April 1, 1931

1 min read

Stocking Repair Method Patent Held Valid, "Kalas-Sill" Not Registrable as Trademark and more

By Sylvester J. Liddy

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More by Sylvester J. Liddy

This article was originally published with the title “Stocking Repair Method Patent Held Valid, Kalas-Sill Not Registrable as Trademark, and more” in Scientific American Magazine Vol. 144 No. 4 (April 1931), p. 284
doi:10.1038/scientificamerican0431-284

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