McDonald v. Whitney

This bill in equity is brought upon two patents issued to the complainant, James W. McDonald, for unhairing and scouring hides ahd skins. The first patent is dated February 5, 1878, and numbered 200,078. The second patent is dated December 10, 1878, and numbered 210,797. The defendants are charged with infringing the first and second claims of the last patent, which are as follows:(1) In a machine for unliairing and scouring hides or skins, the combination, with feed-rolls and a supporting roll, of a lever and intermediate mechanism, whereby, by a single movement of the lever, the feed-rolls…