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Nut-Lock.

Description: Patent for a nut lock, which holds securely in place and is inexpensive to manufacture.
Date: June 14, 1910
Creator: Posey, James A.
Partner: UNT Libraries Government Documents Department

Display-Board.

Description: Patent for a display board for advertising and signage in stores.
Date: February 14, 1911
Creator: Fitts, William A.
Partner: UNT Libraries Government Documents Department

Section-Harrow

Description: Patent for a section harrow. Illustrations included
Date: May 14, 1912
Creator: Shankle, Grover C.
Partner: UNT Libraries Government Documents Department

Street-Cleaning Machine

Description: Patent for a street-cleaning machine that brushes the dirt into small piles and sucks the dirt piles into bags or receptacles for easy disposal.
Date: January 14, 1919
Creator: Atkinson, Wiley F.
Partner: UNT Libraries Government Documents Department
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