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Reference the current page of this Patent.
Nut-Lock., patent, September 18, 1917; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth854169/m1/1/?rotate=0: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.