Ranco, Inc. v. Gwynn

McAllister, circuit judge.

This appeal is from a decree holding appellant guilty of infringement of a patent, and granting an injunction and an accounting. In this case, William A. Gwynn is hereinafter referred to as the appellee, the other parties so.designated in the pleadings, being joined because of contractual' relations with him. On review, the principal contention of appellant is that the' three claims in suit are invalid for lack of invention; that appellee’s patent is merely a copy of old devices, included in the prior art; and that appellant did not infringe.''

Appelle.e’s device,…