New Patent Assignments in Roanoke County, VA was 1.00000 Patents in April of 2022, according to the United States Federal Reserve. Historically, New Patent Assignments in Roanoke County, VA reached a record high of 9.00000 in December of 1981 and a record low of 1.00000 in December of 1980. Trading Economics provides the current actual value, an historical data chart and related indicators for New Patent Assignments in Roanoke County, VA - last updated from the United States Federal Reserve on May of 2024.