New Patent Assignments in Preble County, OH was 1.00000 Patents in January of 2020, according to the United States Federal Reserve. Historically, New Patent Assignments in Preble County, OH reached a record high of 3.00000 in December of 1996 and a record low of 1.00000 in November of 1981. Trading Economics provides the current actual value, an historical data chart and related indicators for New Patent Assignments in Preble County, OH - last updated from the United States Federal Reserve on May of 2024.