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Wrench.

Description: Patent related to a wrench that is adjustable to fit any nut size. When secured on the nut, this wrench will firmly grip the nut until the handler loosens the wrench from the nut.
Date: April 9, 1912
Creator: Weatherly, George B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Light-Reflecting Device.

Description: Patent for a simple and portable light reflecting device designed to be placed on top of a piano, organ, or other musical instrument. The device is designed to amplify light from a lamp or other lighting device and reflect it downward and backward onto an instrument's music board. The device also shades the eyes of a performer and allows music to be read without straining the eyes.
Date: April 9, 1907
Creator: Schelb, Peter Jay
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piano.

Description: Patent for a piano with reversible boards below the keyboard and on the side of the piano. The board below the keyboard can be reversed to hide wear and the board on the side has foot pedals and a foot-rest for children or beginners to use which can be hidden inside the piano when not in use by reversing the board.
Date: April 9, 1907
Creator: Norcross, Levi Watson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatically-Operated Gate and Door

Description: Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date: April 9, 1921
Creator: Brown, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Advertising Device

Description: Patent for an advertising device meant to sit on a desk as a ruler. This device is designed to make the images on its surface appear to be suspended in air when it is lifted. It can be manufactured cheaply and is intended to be distributed for free as both a ruler and advertisement.
Date: April 9, 1918
Creator: Glisson, Amos Adolphus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combine Dimmer and Adjuster for Headlights

Description: This patent is for the improvement of illumination and more particularly relates to a combined dimmer and adjuster for headlights. The primary aim is for the improvement of dimmers on the lamps of a motor vehicle so that the dimmers might be adjusted together with respect to the lamps so that various positions of vertical and horizontal adjustment are possible and if necessary, the removal of the cover of the lamps.
Date: April 9, 1918
Creator: Averitt, Robert W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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