RECENTLY PATENTED INVENTIONS. Of Interest to Farmers. Of General Interest. Prime Movers and Their Accessories. Railways and Their Accessories. Pertaining to Vehicles. INDEX OF INVENTIONS For which Letters Patent of the United States were Issued for the Week Ending February 23 1909 AND EACH BEARING THAT DATE SO YEARS' EXPERIENCE PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Anyone sending a sketch and description may quickly ascertain our opinion free whether an Invention Is probably patentable. Communica sent free. Oldest agency for securing patents. Patents taken through Munn & Co. receive A handsomely illustrated weekly. Largest eh%, scientific american, -1909-03-11
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