MESSRS. MUNN CO., in connection with the publication of the SCIENTIFIC AMERICAN, continue to examine improvemeDts, and to act as SOlicitors of Patents for Inventors. In this Une of business they have had Jorty-one years' experience, and now have unequaled faciJitus for the preparation of Patent Drawings, 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 Books, Labels, Reissues, Assignments, and Reports on InfringemeDts of Patents. All business intrusted to them is done with special care and promptness. on very reasonable term8. 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, As8ignments. Rejected Cases. Hints on the Sale of Patents, etc. We also send. free of charoe. a Synopsis of Foreign Patent Laws, showing the cost and method of securing patents in all the priDcipal countries of the world. MUNN CO., Solicitor* of Patents, 361 Broadway. New York. BRANCH O'FICES.--No. 622 and 624 F Street, Pa-dflc Building, near 7th Street. Washington, D. C.
This article was originally published with the title "Patents" in SA Supplements 31, 797supp, 237 (April 1891)