KEYSTONE MUT. CASUALTY CO. v. DRISCOLL, Collector of Internal Revenue. No. 8096.Circuit Court of Appeals, Third Circuit.Argued November 17, 1942. Decided August 13, 1943. Page 908 Appeal from the District Court of the United States for the Western District of Pennsylvania; Robert M. Gibson, Judge. Action for refund of income tax for the years 1936, […]