Inland Mfg. Co. v. American Wood Rim Co.

DONAHUE, Circuit Judge.

This appeal involves the validity of claims 7, 9, and 14 of the Kenriek patent, No. 1,434,616, assigned to the American Wood Rim Company, a corporation organized under the laws of the state of Michigan. The Inland Manufacturing Company is a Delaware corporation, a unit of General Motors Corporation, and the successor in business of the Dayton-Wright Company, also a Delaware corporation, which latter company was also made a party defendant to this suit; but, it appearing that it had discontinued the manufacture of the wheels claimed to infringe plaintiff’s patent and…