Doctor Seth Arnold was born in 1799 and died on October 31, 1884. By 1864, he was residing in Woonsocket, Rhode Island and was the owner of the Dr. Seth Arnold Medicinal Corporation. His two sons Olney and Seth Jr. were both employed by the firm and in 1880 Seth Jr. was appointed as the corresponding secretary to the firm.
Dr. Arnold’s firm produced several different varieties of patent medicines. The two best known of these were Dr. Seth Arnold’s Cough Killer and Dr. Seth Arnold’s Balsam. The main ingredient in his Cough Killer was Morphine. Dr. Arnold’s Cough Killer was also touted as a cure for Asthma. Arnold sold the right to his Balsam to Gilman Brothers of Boston Massachusetts in 1868 for $12,500. After his father’s death, Seth Arnold Jr. moved to Connecticut and sold the company to Gilman Brothers in Boston.