Patents

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MESSRS. Munn & Co. to connection wirlijihe publication of the Scientific Amkrican, continue to examine Improvements, and to act as SolicitQJ of Patents for Inventors. ,* In this line of business they havl'nad thirty-tight years' experience, and now have tnP"ofa? facilities for the preparation of Patent Drawing Specifications, and the prosecution of Applicatif8 fr Patents in the United States, Canada, and F-eiSn Countries. Messrs. Mnnn & Co. also attend to ' le preparation of Caveats, Copyrights for Books. Lfel Re''ssnes, Assignments, and Reports on Infringe",n,s of Petits. All business intrusted to them is d-J with sPecial care and promptness, on very reasons* terms. A pamphlet sent."e of cbarge, on application, containing full infonnOn abont stents and how to pro_ cure them; aire,0 concerning Lahels, Copyrights, Designs, Paten APpea1s, Ite'sniies, Infr ngements, As-eigoments, Bjcted Cases. Hints on the Sale of Pa. tents, etc. We also"' fee fl.' cUe, a Synopsis of Foreign Patent L A,' showing tbe cost and method of securing patents al1 the PrC'Pal countries of the world. CO., Solicitors or Patents, S6i Broadway, New York Washington D. C.

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