Patents - February 6, 1904

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50 Years' Experience Trade Marks. Designs, Copyrights, Etc. 4nyone sending a sketcb and description may qUIckly ascertain our opinion free whether an invention is probably patentable. Communicatilns strictly confidential. Handbook on Patent. seP a free. OKdeen .t agency for sgcuring patents. .Pat elts taken thrllgh MuKn &Co. receive Spcc1al Nottcc, Wlthout charge, in the Scientific American A handsomely illustrated weekly. .Largest cir-culation of any scientific journal. Terms, $3 a year; four months, $1. Sold by all news dealers. MUNN &CO.361 Broadway, New York. Branch office 626, F street Washington, D. C.

SA Supplements Vol 57 Issue 1466suppThis article was published with the title “Patents” in SA Supplements Vol. 57 No. 1466supp (), p. 126
doi:10.1038/scientificamerican02061904-23500bsupp

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