MESSRS. MUNN & CO , Solicitors of Patents, have had nearly fifty years continuous experience. Any one may quickly ascertain, free, whether an invention probably is Patentable by writing to Mum & Co. ommunications strictly confidents al. 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. fa a year. Specimen copies free. Address MUNN & CO., New York, 361 Broadway.
This article was originally published with the title "Patents" in Scientific American 73, 22, 351 (November 1895)