Resilient Wheel., patent, May 25, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859653/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Resilient Wheel., patent, May 25, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859653/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .