Magnavox Co. v. Hart & Reno

SAWTELLE, Circuit Judge.

' Three suits on three patents, brought by the same plaintiff, the appellant herein, against ten defendants, the appellees, are presented to us for consideration on two appeals. Because of the interrelationship of interests and of subject-matter, we are passing upon both appeals jointly.

All three actions involve alleged infringement of the appellant’s patents, which in terms cover telephone electrodynamie and amplifying receivers, but which the appellant asserts apply to “the so-called 'loudspeakers’ commonly used in public address work and in connection with radio…