Plax Corp. v. Elmer E. Mills Corp.

BARNES, Chief Judge.

This is a suit by Plax Corporation, a corporation of Delaware having a regular and established place of business at Hart*400ford, Connecticut, against Elmer E. Mills Corporation, a corporation of Illinois having a regular and established place of business at Chicago, Illinois, wherein the plaintiff charges that it owns and that the defendant has infringed four letters patent of the United States, as follows:

Letters Patent No. 2,128,239, issued August 30, 1938, to E. T. Ferngren on an application filed February 25, 1933, for a process of molding plastic materials;

Letters Patent…