VULTEX CORPORATION OF AMERICA et al. v. HEVEATEX CORPORATION et al. No. 3315.Circuit Court of Appeals, First Circuit. January 10, 1939. Appeal from the District Court of the United States for the District of Massachusetts; Elisha H. Brewster, Judge. Patent infringement suits by Vultex Corporation of America and others against Heveatex Corporation and others. From […]