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Threshold

Description: Patent for an improved threshold to fit the bottom of a door more properly to "prevent the entrance of dust, wind, and rain" (lines 16-17).
Date: May 11, 1915
Creator: Krause, Ernest
Partner: UNT Libraries Government Documents Department

Excavator and Conveyer.

Description: Patent for an excavator machine designed "to continuously excavate the ground at different elevations, as in ditching or cutting away embankments" (lines 15-18) including illustrations.
Date: January 6, 1914
Creator: Lee, James Milton
Partner: UNT Libraries Government Documents Department

Floor-Cleaner.

Description: Patent for an improved floor cleaner that allows for a belt or apron to be turned on to provide continuous motion in order to clean or scrub floors. The floor cleaner will also supply water to the belt, wring and catch dirty water from the belt, and tighten the belt.
Date: May 9, 1916
Creator: Crawford, Hezekiah H.
Partner: UNT Libraries Government Documents Department

Can Opener.

Description: Patent for "a can opener intended for use in removing or cutting the closures or tops from cans or other sheet metal receptacles." [lines 8-11]
Date: November 25, 1919
Creator: Crawford, Hezekiah H.
Partner: UNT Libraries Government Documents Department

Automatic Train-Stop.

Description: Patent for mechanism to automatically sound alarm and shut off steam when a train passes a danger point.
Date: December 21, 1915
Creator: Bulla, Melbern Bernie
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for an improved bailing press "especially designed for forming hay, straw, cotton, &c., &c.... into compressed, compact bales" (lines 10-13) that requires less effort and power for stronger compression results.
Date: March 12, 1910
Creator: North, Clarence L.
Partner: UNT Libraries Government Documents Department
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