Operating Mechanism for Window Sash and Screens Page: 2 of 4
View a full description of this patent.
Reference the current page of this Patent.
Operating Mechanism for Window Sash and Screens, patent, June 6, 1916; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth859281/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.