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MESSES. MUNN & CO., In connection with the puhll-cation 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 forty years' c-perimce, and now have uneqaaUd facWUes for the preparation of Patent Drawings, Specifications, jind the prosecution of Applications for Patents in the United States, Canada, and B'oreign Countries. Messrs Munn & Co. also attend to the preparation of Caveats, Copyrights for Books, 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 pamphlet sent free of charge, on application, containing full information about Patents and how to procure them; directions concerning Labels, Copyrights, Designs, Patents, Appeals, Reissues, Infringements, Assignments, Rejected 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. mUNN & CO., Solicitors of Patents, 861 Broadway, New York. BRANCH OFFICB.-Corner ol F and 7th Streets. Waliington,D.C. I
