The United States Patent Law. Instructions; How to Obtain Letters Patent for New Inventions

New York: Munn & Co., At the Office of the Scientific American, 1865. Including a variety of useful information concerning the rules and practice of the Patent-Office; how to sell patents; how to secure foreign patents; forms for assignments and licenses; together with engravings and descripion of the condensing steam-engeine, and the principal mechanical movements, valuable tables, calculations, problems, etc., etc.107 [1]p., b/w texts drawings, original black embossed cloth with gilt lettering on the front cover.