Patents- November 29, 1980

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MESSRS. ML'NN & co., in connection with the publication of the SCIF.NTIFIC AMERICAN, continue tu examine impruvements, and to act as Solicitors of Patents for inventors. In this line of business they have had fnrtu-one years' experience, and now have itneqitnied facilities for the preparation of Patent f) rawing a, Specifications, and the prosecution of Applications for Patents in the United States, Canada. and Foreign Countries. Messrs. Munn & Co. also attend to the preparation of Caveats. Copyrights for Bouks, Labels, Reissues, ASSIgnments. and Reports on Infringements of Patents. All busineso 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 themi 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 ForeiJm Patent Laws, showing the cost and method of securing patents in an the prinCipal countries of the world. MUNN A CO., SoliCitors ot' Patenta, 361 Broadway, New York. BRANCH OKFICES.-No.622 and 624 P Street, Pa-Clfl Building, near 7th Street, Washington, D, C,

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