Dr. Salsbury's Laboratories v. I. D. Russell Co. Laboratories

DUNCAN, Chief Judge.

Plaintiff instituted this suit in this-court alleging that it is the owner of Letters Patent No. 2,450,866 for Poultry Treatment Composition, and that the de-. fendants are making, using and selling Poultry Treatment Composition known as “Korum” a liquid concentrate, and one known as “Zuco” a dry tablet product, and that the sale of such products and the furnishing of instructions as to their use, constitute an infringment of plaintiff’s patent.

It is further alleged that on September 11, 1951, 97 F.Supp. 695, this court held plaintiff’s patent valid and infringed by…