Patents!- January 24, 1891

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MESSRS. 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 forty-one years1 experience, and now have unequaled facilities for the preparation of Patent Drawings, Specifications, and the rosecution of Applications far Patents in the United tates, Onnada.and Foreign Countries. Messrs. Munn & Co. also attend to the preparation of Caveats, Copyrights for Monks, 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 charee, on application, containing lull 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, et c 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 A- ., Solicitors of Patents, 3til Broadway, New York. BRANCH OFFICES.--No. 622 and 624 F Street, Pacific Building, near 1th Street, Washington, D. G.

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