Railway Co. v. Sayles

This suit was commenced in the Circuit Court in December, 1861, by bill in equity filed by Thomas Sayles, the appellee, on letters-patent No. 9109, for an improvement in railroad-car brakes, issued on the sixth day of July, 1852, to Henry Tanner, as assignee of Lafayette F. Thompson and Asahel G. Bachelder. *The bill charged that the Chicago and Northwestern Railway Company, from the 1st of June, 1859, to the time of filing the bill, infringed, and was still infringing, the said patent, of which the complainant had become the owner, and prayed for an injunction and an account of profits…