Patents - April 9, 1887

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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 Patente for Inventors. In this line of business they have had forty-one yean' fxperiente. and now nave un equated faeHiwi for the preparation of Patent Drawings, Specifications, and the grosecution of Applications for Patents in the Uni ed tates, Canada, and Foreign Countries. Messrs Munn A Co. also attend to the preparation of Caveats. Copyrights for .Books, I beJs, Reissues. Assignments, and Report 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, Ireeof 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 ot Pa le ? la, 381 Broadway, New York. BRANCH OFFICES.--No. 622 and 624 F Street, Pacific Building, near 7th Street, Washington, D. C,

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