Westrumite Co. of America v. Commissioners of Lincoln Park

KOHRSAAT, Circuit Judge.

This bill is filed to restrain infringement of patent No. 752,487, granted to one Van Westrum on February 16, 1904, for an improved method of sprinkling streets. The claims are five in number, and read as follows:

“(1) The method of utilizing the granulated portions of roadbeds or streets by forming them into a top dressing or coating, by first mechanically or chemically mixing in predetermined proportions oil and water, then sprinkling or spreading the said mixture over the said loose granulated substance or dust and permeating the same, thereby unifying them and…