McCLASKEY v. HARBISON-WALKER REFRACTORIES CO. No. 8155.Circuit Court of Appeals, Third Circuit.Argued January 8, 1943. Decided October 25, 1943. Page 494 Appeal from the District Court of the United States for the Western District of Pennsylvania; Robert M. Gibson, Judge. Action by F.J. McClaskey against Harbison-Walker Refractories Company to recover upon alleged right to royalties […]