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[2], 4 p. : ill. ; 23 cm.View a full description of this patent.
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PATENTED FEB. 12, 1907.
0. KATZENBERGER.
LOOK.
APPLICATION FILED JUNE 20, 1906.13 7 -2
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Katzenberger, Oscar. Lock, patent, February 12, 1907; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513975/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.