KENT C. LAZO, APPELLANT, v. TIEN C. TSO AND GEORGE L. STEFFENS, APPELLEES. Patent Appeal No. 8946.United States Court of Customs and Patent Appeals. July 12, 1973. Page 909 Richard C. Witte, Robert B. Aylor, Cincinnati, Ohio, Dugald S. McDougall, Chicago, Ill., attorneys of record, for appellant. Rubin Hoffman, Washington, D.C., attorney of record, for […]