Patents

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MESSES. MUNN & CO., in connection with the 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 thirty-five years' experience, and now have vneq-ualed facilities for the preparation of Patent Drawings. Specifications, and the prosecution of Applications for Patents in the United States, Cnada, and Foreign Countries. Messrs. Mnnn Co. also attend to the preparation of Caveats, Copyrights for Books, Labels, Reissues, Assignment, and Reports on Infringements of Patents. All business intrusted to them is done with special care and promptness, on very reasonable terms. A pamphlet sent free of charge, on application, containing full information Bbout Patents and how to procure them; directions concerning Labels, Copyrights, Designs, Patents, Appeals, Reissues, MrigementB, Assignments, Rejected Cases, Hints on the Sale of Patents, etc. We also send, free of charge, a SynopsiB of Foreign Patent Laws, showing the cost and method of securing patents in ail the principal countries of the world. miTNN CO., Solicitors of Patents, 87 Park How, New York. BRANCH OFFICE.Comer of F and 1th Streets, Washington, D. C.

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