Roanoke City, VA - New Patent Assignments in Roanoke city, VA was 1.00000 Patents in December of 2022, according to the United States Federal Reserve. Historically, Roanoke City, VA - New Patent Assignments in Roanoke city, VA reached a record high of 29.00000 in June of 2008 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 Roanoke City, VA - New Patent Assignments in Roanoke city, VA - last updated from the United States Federal Reserve on May of 2024.