Public Service Company of New Mexico v. General Electric Company, Southwestern Public Service Company v. General Electric Company, the Town of Farmington, New Mexico v. Allen-Bradley Company, City of Gallup v. General Electric Company, Allis-Chalmers Manufacturing Company v. Public Service Company of Colorado, Ohio Brass Company v. Public Service Company of Colorado, Allen-Bradley Company v. Public Service Company of Colorado, Ohio Brass Company v. Home Light and Power Company, General Electric Company v. City of Colorado Springs, Appelle. Federal Pacific Electric Company v. Western Power & Gas Company, General Electric Company v. San Luis Valley Rural Electric Cooperative, Inc., General Electrice Company v. Colorado Ute Electric Association, Brigham City Corporation v. General Electric Company, Provo City v. General Electric Company, 315 F.2d 306, 10th Cir. (1963)