Court of Appeals for the D.C. Circuit August 1938 casesElectrons, Inc. v. CoeMinnesota Mining & Mfg. Co. v. CoeFessenden v. CoePerkins v. ELGMallory Coal v. National Bituminous Coal Com'nMinnesota Mining & Mfg. Co. v. CoeChesapeake Potomac Telephone Co. v. Lewis