Pump-Actuating Mechanism. Page: 3 of 8
[3], 5 p. : ill. ; 23 cm.View a full description of this patent.
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1,375,135.
R. A. DEAN.
PUMP ACTUATING MECHANISM,
APPLICATION FILED APR. 23, 1919.Patented Apr. 19, 1921.
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Dean, Robert A. Pump-Actuating Mechanism., patent, April 19, 1921; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth1256377/m1/3/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.