Kenneth V. Dull of Security, Colorado, departed from this life to his home in Heaven July 1, 2021, after a brief illness. Ken was the firstborn son of Vernon and Audrey Dull. He attended Meeker public schools, graduating in 1957. From 1961-1964 he served in the United States Marine Corp. The training he received in the military prepared him for a 45-year career in militarized electronic systems. He began working on high-speed tape…