Minnesota Mining & Manufacturing Co. v. Shuger

COLEMAN, Chief Judge.

This is a patent infringement suit brought by the plaintiff, the Minnesota Mining & Manufacturing Company, a Delaware corporation, as assignee of United States Patent No. 2,574,971, for a highway marking paint containing glass beads, issued November 13, 1951, to Harry Heltzer (hereinafter referred to as the Heltzer patent). This suit is against six individual defendants, members of a Baltimore partnership doing business as the Baltimore Paint & Color Works, and owners of a United States Patent No. 2,268,537, for a road marker, issued December 30, 1941, to Leroy Shuger,…