No. 6311. July 29, 1960. Richard L. Bird, Jr., Salt Lake City, Utah (Lynn S. Richards, Salt Lake City, Utah, on the brief), for appellants. Harley W. Gustin, Salt Lake City, Utah (John F. Mueller, Denver, Colo., and William S. Richards, Salt Lake City, Utah, on the brief), for appellee. Before MURRAH, Chief Judge, and PHILLIPS and BREITENSTEIN, Circuit Judges. PHILLIPS, Circuit Judge. In September, 1955, Dipo and Lilenquist entered into separate employment contracts with Ringsby Truck Lines, a corporation