Galion Iron Works & Mfg. Co. v. J. D. Adams Mfg. Co.

SPARKS, Circuit Judge.

Appellee instituted this action in equity to enforce a patent license contract. It was dated April 29, 1936, and was effectual as of February 5, 1936. The parts of the contract which are material are set forth in the margin. The license was granted by appellee to appellant under six patents, including the Winsor Patent No. 2,020,-271, and the contract obligated appellant to pay royalties only upon machines embodying one or more claims of this Winsor patent. This patent, at least by name, related to a road-working machine. The device involved is commonly known as a motor…