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Post Structure

Description: Patent for improved base plate for wooden posts to protect the posts from damage and extend its usability.
Date: November 30, 1920
Creator: Dietz, Paul A.
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Partner: UNT Libraries Government Documents Department

Powder- Sprayer

Description: Patent for Insect Powder Sprayer. This sprayer allows the use of insecticide powder for use on animals, plants, and insects.
Date: November 30, 1920
Creator: Erwin, Samuel D.
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Partner: UNT Libraries Government Documents Department

Flush-Tank Valve

Description: Patent for a Flush-Tank Valve. This is an improved Flush-Tank Valve, which will ensure that their is so waste of water if the float in the tank ceases to operate. For example, if the float does not work properly, the valve will activate and shut off the remaining water. The invention also provides a valve that can be easily fitted to any flush tank.
Date: November 23, 1920
Creator: Hardt, Benjamin F.
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Partner: UNT Libraries Government Documents Department

Filter

Description: Patent for a filter for purifying gasoline or other oil used in cleaning establishments.
Date: November 2, 1920
Creator: Daniel, William A.
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Partner: UNT Libraries Government Documents Department

Broom.

Description: Patent for a broom which allows the user to easily replace the broom straw or fiber with new straw or fiber when it is worn out. The intention is to decrease the cost of brooms while still producing "a strong and relatively durable broom structure" (lines 18-19).
Date: November 2, 1920
Creator: Taylor, James T.
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Partner: UNT Libraries Government Documents Department

Chair and Counter.

Description: Patent for improvements in chairs and counters. This patent has to do with "mounting a chair with relation to a counter, table or the like, so that the chair can be slid to a position beneath the counter when not in use" (lines 9-13). This patent also has to do with moveable back and seat of the chair so that it can be folded when not in use.
Date: November 16, 1920
Creator: Wright, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Can-Opener.

Description: Patent for new and useful improvements for can openers. The principal purpose is to provide means for opening round cans of different sizes and also square cans.
Date: November 16, 1920
Creator: Adels, Rebecca Valencia.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Butter-Cutter

Description: Patent for improved butter cutting machine to be used in professional kitchens.
Date: November 30, 1920
Creator: Palmer, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cane-Stripper.

Description: Patent for a wooden sugarcane stripper with two cutting blades that "reduces to a minimum the liability of damage being done to the stalks during the stripping operation" (p. 2, lines 21-24), including illustrations.
Date: November 30, 1920
Creator: Knowlton, Ida E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Blow-Out Boot.

Description: Patent for a blow-out boot (as it pertains to tire repair). The defining feature of this invention is that the edges are flexible and overlapping, containing slots and loops that correspond to each other to facilitate the joining of the edges.
Date: November 8, 1921
Creator: Williams, George G.
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Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar-Alarm.

Description: Patent for a burglar alarm, designed to be simply constructed and installed.
Date: November 29, 1921
Creator: Stephens, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Casing-Pulling Apparatus.

Description: Patent for an apparatus to more easily and more economically remove well-casings from the ground when an oil well is no longer in use.
Date: November 29, 1921
Creator: Wilson, John Hart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cycle-Car

Description: Patent for a cycle car that can be steered and propelled by hands only and can be used with ordinary bicycles.
Date: November 29, 1921
Creator: Payne, Luther M.; Miller, Lee A. & Douglas, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Building Construction.

Description: Patent for a building construction method. After completion of typical foundation and framework construction, "interlocking slabs or tiles are secured to the framework to form an outer covering or sheathing for the building." The interlocking method requires no cementing of material yet still allows water to be shed. "Provision is also made for fastening slabs or tiles to the framework in a manner permitting rapid assembly of parts" which reduces building time. The invention can be applied to d… more
Date: November 8, 1921
Creator: Walker, Isham P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Coin-Wrapping Device.

Description: Patent for a coin wrapper (primarily used in banks) that uses a strip of carbon paper to create an imprint of the coins contained inside, which will remain after the coins are removed. The purpose of this is to create a record of the original number of coins to facilitate their counting and verification.
Date: November 15, 1921
Creator: Mohr, Arthur D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Attachment for Gun-Slings

Description: Patent for an attachment for gun slings that can be used on army rifles or other guns and provides the means for the sling to be held tight against the arm for steady aim.
Date: November 8, 1921
Creator: Grierson, Benjamin Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Comb.

Description: Patent for an electronic heating comb providing an electric heating element.
Date: November 10, 1920
Creator: Caneavri, Joseph Ping.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dredge.

Description: Patent for an excavating machine specifically designed for canal digging, that "is an improvement upon a patent granted to Charles S. Butterfield, March 13, 197 and numbered 1,219,371" (lines 10-13). This invention provides a means for firm and stable support of the excavating machine and allows the position of the machine to be easily changed as the work progresses.
Date: November 22, 1921
Creator: Evans, Marvin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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