October 24, 2024February 13, 2023 by Missouri Life On February 13, 1890, Professor James T. Dougherty of De Soto patented a chalk eraser on blackboards.
October 24, 2024January 24, 2023 by Missouri Life On January 24, 1922, the patent was granted to Russell Stover for the Eskimo Pie ice cream bar. The treat helped propel growth for Stover’s company, Russell Stover Candies, which moved its headquarters to Kansas City in 1931.
October 24, 2024November 25, 2022 by Missouri Life On November 25, 1884 John B. Meyenberg, an immigrant from Switzerland residing in St. Louis, patented evaporated milk.