Fastening for Blind Slats., patent, August 4, 1885; (https://texashistory.unt.edu/ark:/67531/metapth171049/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Fastening for Blind Slats., patent, August 4, 1885; (https://texashistory.unt.edu/ark:/67531/metapth171049/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .