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 years' experience, and now have unequaled faculties for the preparation of Patent Drawings, Specifications, and the prosecution of Applications for Patents in the United States, Canada, and Foreign Countries. Messrs. M unn & Co. also attend to the prpart ion of Caveats. Copyrights for Books, Labels, Reissues, Assignments, and Reports on Infringements o 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 Patentsand how to procure them; directions concerning Labels, Copyrights, Designs. Patents. Appeals. Reissues Infringements, Assignments, Rejected Gases. Hints on the Sale of Pa- We also send, free of charge, a Synopsis of Foreign Patent Iawg, showing the cost and method of securing patents in all the principal countries of the world. MUNN c CO.. Solicitor* or Patents, 861 Broadway, New York. BRANCH OKFICBS.-No. 622 and 24 P Street, Pa-filflo Building, near 7th Street, Washington,. .
This article was originally published with the title "Patents" in SA Supplements 31, 790supp, 125 (February 1891)