MINNESOTA MINING AND MANUFACTURING COMPANY, A CORPORATION OF DELAWARE, APPELLANT IN No. 75-1559, v. BERWICK INDUSTRIES, INC., A CORPORATION OF PENNSYLVANIA, APPELLANT IN No. 75-1560. Nos. 75-1559, 75-1560.United States Court of Appeals, Third Circuit.Argued January 6, 1976. Decided March 18, 1976. Page 331 Hugh J. McMenamin, Henkelman, McMenamin, Kreder O’Connell, Scranton, Pa., Edward A. Haight, […]