Albert Wittlin v. Remco, Inc., and Illinois Electric Works, Inc.

LINDLEY, Circuit Judge.

In plaintiff’s suit for infringement of his patent, number 2,624,308, issued January 6, 1953, the trial court sustained a defense of invalidity. D.C., 132 F.Supp. 57. From the judgment dismissing the complaint, plaintiff appeals.

The fact that the published opinion includes a full description of claims 3 and 6 in suit, the nature of the device patented and the details of construction of Wittlin and of that of the prior art enables us to shorten our comments. Suffice it to say, the district court found, on documentary evidence and oral testimony, that Robinson, British,…