LINDLEY, District Judge.
Plaintiff complains of infringement of patents Nos. 1,680,370, 1,682,492, and 1,682,778. Defendant, a dealer, admits the sale of the alleged infringing article, a Majestic radio manufactured by Grigsby-Grunow Company, and asserts as defense invalidity and noninfringement.
The first two patents have to do with the power supply unit, and the third with the chassis, of a radio receiver. Patent No. 1,680,370, hereinafter referred to as...
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