Patents

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MESSES. MUNN & CO., In connection with the publication of the SciKNTiFic Ajierican, continne to examine Improvements, and to act as Solicitora of Patents for Inventors. In this line of business they have had thirty-five years' experience, and now have xmequaled facilities for the preparation of Patent Drawings, Specifications, and ' the prosecutioii of Applications for Patents in the United States, Canada, and Foreign Countries. Messrs. Mnim & Co. also attend to the preparation of Caveats, Copyrights for Books. Labels, Reissues, Assignments, and Reports on Infringements of Patents. Ail business, intrusted to them is done with special Care and promptness, on very reasonable terms. A pamplilet sent free of charge, on application, containing full information about Patents and how to procure them; directions concerning Labels, Copyrights, Designs, Patents, Appeals, Eeissues, Infringements, Assignments, Eejected Cases, Hints on the Sale of Patents, etc. We also send, free of charge, a Synopsis of Foreign Patent Laws, showing the cost and method of securing patents in all the principal countries of the world. UHJNN & CO., Solicitors of Patents, 261 Broadway, New York. BEANCH OFFICE -Comer of F and 7th StreetSi Washington, D. C.

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