Mealey's (December 1, 2015, 2:41 PM EST) -- DENVER — A federal judge in Colorado on Nov. 24 granted summary judgment to a couple who was sued by a man who claimed that his injuries stemmed from a water heater blowing up at a cabin he was renting from them, finding that the man could not prove that the owners had actual or constructive knowledge of the danger the water heater posed (Matthew Giblin v. John Sliemers and Patricia Sliemers, No. 14-cv-02742-RBJ, D. Colo., 4th Dist.; 2015 U.S. Dist. LEXIS 159239)....