Machine for making mattresses., patent, June 4, 1901; (https://texashistory.unt.edu/ark:/67531/metapth512674/m1/2/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Machine for making mattresses., patent, June 4, 1901; (https://texashistory.unt.edu/ark:/67531/metapth512674/m1/2/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .