Pipe Tongs Support., patent, August 3, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859050/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Pipe Tongs Support., patent, August 3, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859050/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .