MESSRS. MUNN & CO., Solicitors of Patents, have had nearly My years continuous experience. Any one may quickly ascertain, free, whether an invention probably is patentable by writing to Munn&Co. Communications strictly confidential. A handbook of patents and how to obtain them sent free. taken through Munn & Co. receive special notice In the Scientific American. This splendid weekly paper, elegantly illustrated, has the largest circulation of any scientific work. is a year Specimen copies free. Address MUNN & CO, New York, 361 Broadway.
This article was originally published with the title "Patents" in SA Supplements 39, 1011supp, 319 (May 1895)