Bob served at the Woodstock Detachment, Chatham DHQ Identification Unit, Intelligence Branch, Operational Services Branch, Computer Services Branch, and Planning & Technology Division before retiring as Chief Superintendent from the Administration Services Division on April 30, 1990. Bob is survived by his son retired OPP Detective Inspector, Richard (Rich) Patterson (Organized Crime Enforcement Bureau). He is predeceased by his wife Georgina and sons Ronald and OPP Constable Paul Patterson (Oak Ridges Detachment).