WILLOUGHBY v. SINCLAIR OIL GAS CO. et al. No. 4152.United States Court of Appeals, Tenth Circuit. April 19, 1951. Page 903 Paul W. Updegraff, Norman, Okla. (Joe A. Smalley, Norman, Okla., was with him on the brief), for appellant. Robert L. Imler, Tulsa, Okla., and Clyde J. Watts, Oklahoma City, Okla. (Ralph W. Garrett, Dudley […]