Altvater v. Freeman

A history of some of the previous litigation on the patent rights involved will assist in an understanding of the situation that is now before us.

In Freeman v. Altvater, 8 Cir., 1933, 66 F.2d 506, we directed the district court to issue an injunction and to take an accounting, on an infringement of Freeman patent No. 1,681,033 and a violation of the licensing agreement between the parties for the use of the Freeman patent.

In Premier Machine Co. v. Freeman, 1 Cir., 1936, 84 F.2d 425, a considerable number of the claims in Freeman patent No. 1,681,033 were declared invalid. Freeman accepted…