U.S. Granted Patents: Plant Patents Originating in Washington was 22.00000 Number in January of 2020, according to the United States Federal Reserve. Historically, U.S. Granted Patents: Plant Patents Originating in Washington reached a record high of 22.00000 in January of 2020 and a record low of 1.00000 in January of 1993. Trading Economics provides the current actual value, an historical data chart and related indicators for U.S. Granted Patents: Plant Patents Originating in Washington - last updated from the United States Federal Reserve on April of 2024.