New Patent Assignments in Butler County, OH was 2.00000 Patents in February of 2023, according to the United States Federal Reserve. Historically, New Patent Assignments in Butler County, OH reached a record high of 25.00000 in July of 1998 and a record low of 1.00000 in September of 1980. Trading Economics provides the current actual value, an historical data chart and related indicators for New Patent Assignments in Butler County, OH - last updated from the United States Federal Reserve on May of 2024.