Mealey's (August 10, 2015, 11:24 AM EDT) -- DENVER — A multiemployer pension plan did not violate its plan terms by refusing to allow a participant to convert the pension benefits he previously elected from an early retirement pension to a disability pension, the 10th Circuit U.S. Court of Appeals affirmed July 29 (Joseph E. Martinez, et al. v. The Plumbers & Pipefitters National Pension Plan, et al., No. 14-1315, 10th Cir.; 2015 U.S. App. LEXIS 13245)....