UNT Libraries Government Documents Department - 36 Matching Results

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Collapsible Foot Rest.

Description: Patent for a collapsible foot rest used for shoe shining stands. The invention is meant to simplify and improve the process of one stepping off or on a foot-rest to prevent injury or accident.
Date: December 10, 1918
Creator: Le Laurin, Eugene M.
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Container.

Description: Patent for a collapsible container that is easily assembled without the "employment of nails or fastening devices" (line 10).
Date: April 10, 1917
Creator: Dunn, Lewis C.
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Door Check.

Description: Patent for a new and improved door-check. This design "consists in the combination, with a jaw provided with a pocket having an opening in its bottom, of a pivoted bar having a bead or nipple, which bar is passed through the pocket, and of a spring held in the pocket jaw and resting on the bar" (lines 12-17).
Date: November 10, 1885
Creator: Maurer, Adam
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Educational Device.

Description: Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date: February 10, 1903
Creator: Williams, Willoughby Columbus
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Fire-Escape.

Description: Patent for an improved chute type fire escape which is used to allow people to safely descend several stories of a building to the ground. Improvements include easy and economical installation, prevention of congestion of persons entering the chute, prevention of persons falling out of the chute, and inclusion of a water sheet to prevent the chute from catching fire.
Date: October 10, 1916
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent

Hoeing-Machine

Description: Patent for improvements "to afford facilities for the more ready and perfect protection of the plant while the pulverizing-blades are cultivating the soil around it; second, to provide a better and more ready means of guiding the pulverizing-blades along the row I attain these objects by giving my guiding-fender a motion independent of the motion of the pulverizing-blades along the row and around the plants" (lines 13-19).
Date: December 10, 1889
Creator: Hurd, Judson B.
Item Type: Refine your search to only Patent
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