New Patent Assignments in Yellowstone County, MT was 1.00000 Patents in January of 2023, according to the United States Federal Reserve. Historically, New Patent Assignments in Yellowstone County, MT reached a record high of 19.00000 in January of 2015 and a record low of 1.00000 in December of 1981. Trading Economics provides the current actual value, an historical data chart and related indicators for New Patent Assignments in Yellowstone County, MT - last updated from the United States Federal Reserve on May of 2024.