Patents

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MESSRS. MUNN & CO., in connection with the publication of the SCIENTIFIC AMF:BICAK, continae to ex-ami ae 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 vneguoled facilities for the preparation of Patent Drawinfis, Specifications, and the prosecution of Applications for Patents m the United States, Canada, and Foreign Countries. Messrs. MiuiD & CO. alpo attend to the preparation of Caveats. Copyrights for Books, Labels, Reissues, Assignments, and Reports on Infringements of Patents. AJl bueincBS intrusted to them is done with special-care and promptness, on very reasonable terms. A pamplilet sent free of charge, on application, con taining full information about Patents and how to procure them; directions concerning Labels, Copyrights, Designs, Patents, Appeals.Reissues, Infringements, As-sigaments, Rejected Cases, Hints on the Sale of Patents, etc. We also send./re of chargera Synopsis of Foreign Patent Laws, showing the cost and method of securing patents in all the principal countries of the world. laUNN & CO., Solicitors of Patents, 37 Park Row, New York. BRANCH OFI''ICE.-Corner of F and Tth Streets, Waebington, D. C.

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