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USPTO. (March 31, 2016). Number of independent inventors in the United States as of 2015, by state [Graph]. In Statista. Retrieved January 19, 2021, from https://www.statista.com/statistics/256687/number-of-independent-inventors-in-the-us-by-state/
USPTO. "Number of independent inventors in the United States as of 2015, by state." Chart. March 31, 2016. Statista. Accessed January 19, 2021. https://www.statista.com/statistics/256687/number-of-independent-inventors-in-the-us-by-state/
USPTO. (2016). Number of independent inventors in the United States as of 2015, by state. Statista. Statista Inc.. Accessed: January 19, 2021. https://www.statista.com/statistics/256687/number-of-independent-inventors-in-the-us-by-state/
USPTO. "Number of Independent Inventors in The United States as of 2015, by State." Statista, Statista Inc., 31 Mar 2016, https://www.statista.com/statistics/256687/number-of-independent-inventors-in-the-us-by-state/
USPTO, Number of independent inventors in the United States as of 2015, by state Statista, https://www.statista.com/statistics/256687/number-of-independent-inventors-in-the-us-by-state/ (last visited January 19, 2021)
