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Bread Slicer

Description: Patent for machine that can slice bread, cake, or the like.
Date: January 2, 1917
Creator: McLaughlin, Frank
Partner: UNT Libraries Government Documents Department

Rotary Fountain-Brush

Description: Patent for a Rotary Fountain-Brush. The innovation of this item is that the water or cleaning agent fed into the brush causes it to rotate, using the medium of a water wheel or rotary.
Date: August 2, 1921
Creator: Hargis, Lawrence H.
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a cattle guard for railroad tracks, which is activated by the pressure of a cow stepping on its platform and raises bars to block the the cow from crossing the track. It goes back down automatically when the pressure is removed off the platform.
Date: February 2, 1909
Creator: Crouch, Jim L.
Partner: UNT Libraries Government Documents Department
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