Setting-Basin Separating Device, patent, May 11, 1990; (https://texashistory.unt.edu/ark:/67531/metapth1257118/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Setting-Basin Separating Device, patent, May 11, 1990; (https://texashistory.unt.edu/ark:/67531/metapth1257118/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .