BLUE BELL CO. et al. v. FRONTIER REFINING CO. et al. FRONTIER REFINING CO. v. BLUE BELL CO. et al. Nos. 4720, 4721.United States Court of Appeals, Tenth Circuit. May 25, 1954. Rehearing Denied June 21, 1954. Page 355 [EDITORS’ NOTE: THIS PAGE CONTAINS HEADNOTES. HEADNOTES ARE NOT AN OFFICIAL PRODUCT OF THE COURT, THEREFORE […]