Hazeltine Corp. v. Radio Corp.

Claims 1, 2, 5, 9, 11, 12, 14, and 16 were held to be infringed by the appellant’s manufacture and sale of its Radiolas Nos. 16 'and 17. The patent in suit was considered by us in Hazeltine Corp. v. Wildermuth, 34 F.(2d) 635, and held valid and there infringed.' The arguments now advanced, seeking to have this patent declared invalid, were considered by this court in the Wildermuth Case and also in Hazeltine Corp. v. Nat. Carbon Co., 47 F.(2d) 573; nothing now said requires us to depart from the conclusions which we reached in those appeals.

There is a very substantial plate circuit…