May 1961: With summer approaching, Trail-A-Sled, Inc. founders test drive their latest pontoon boat design on Crosby's Serpent Lake. The neat design provided room for ten persons and was easily transported (weighing only 500 pounds). The invention soon won praise for durability and ride. From left: Glen Gutzman, Dick Harrison, Sub Harrison. Crosby-Ironton Courier. See Terms of use. Link to Home.