National Development Co. v. Lawson-Porter Shoe Machinery Corp.

SWEENEY, District Judge.

The plaintiff seeks an injunction and an accounting growing out of an alleged infringement of its patent No. 1,829,800. The defendant denies the validity of the patent unless its claims are so limited, in view of the prior art, that the defendant’s apparatus does not come within the scope of the claims, and further denies infringement. A supplemental bill filed by the plaintiff has been disposed of by consent. The claims in suit are numbered 1, 2, 3, 13, 14, 16, 18, 19, and 30.

Findings of Fact.

Title to the patent is conceded to be in the plaintiff. It covers an edge…