J. I. Case Co. v. Gleaner Harvester Corp.

JOHNSEN, Circuit Judge.

This is a patent infringement suit, in which the lower court held the patent valid and infringed and the defendant has appealed.

The patent is Pierson, No. 1,972,031, entitled “Straw Retarder”, and relating, by its recitation, “to harvesting machines and more particularly to conveying mechanism for delivering cut grain to the threshing and separating elements of the machine, the principal objects of the invention being to retain the cut grain in guided relation with the conveyor, to prevent entanglement of the grain about the conveyor shaft, and to *554guide the grain into…