Post Hole Drill Page: 1 of 4
View a full description of this patent.
Reference the current page of this Patent.
Post Hole Drill, patent, February 17, 1917; Washington D.C.. (https://texashistory.unt.edu/ark:/67531/metapth859574/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.