Patents

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MESSRS. MUNN & CO. in connection witli tlie publication of the Scientific American, continue to examine Improvements, and to act as Solicitors of Patents for Inventors. In this line of business they have had tMrty-flve years' experience, and now have vnequaled facilities for the preparation of Patent Drawings, Specifications, and the prosecution of Applications for Patents in the United States, Canada, and Foreign Countries. Messrs. Munn & Co. also attend to the preparation of Caveats, Copyrights for Boolcs. Labels, Reissues, Assignments, and Reports on Infringements of Patents. All business intrusted to them is done with special care and promptness, on very reasonable terms. A pampiilet sent free of charge, on application, con-; taining full information about Patents and how to procure them; directions concerning Labels, Copyrights, Besiiis, Patents, Appeals, Reissues, Infrigements, As-signments, ftejected 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 nf the world. MUNN & CO., Solicitors nt Patents, 87 Park Row. ilew York. BRANCH OFFICE.-Comer of F and 7th Streets, WashiDgton, D. C.

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