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Well Screen.

Description: Patent for a well screen device. The device can keep particulates out of the well water while also restricting water to flow into the well without being released back into the soil.
Date: February 1, 1921
Creator: McLean, Marrs
Partner: UNT Libraries Government Documents Department

Paint and Varnish Removing Process.

Description: Patent for improvements to the removal process for paint and varnish. An invention of a solution that will cause finished coatings to be removed with less expense, less time, and no specifically skilled labor requirement to meet.
Date: March 1, 1921
Creator: Cleveland, David P.
Partner: UNT Libraries Government Documents Department

Roller for Cotten-Gins.

Description: Patent for an improved cotton gin roller, to separate cotton fibers from cotton seeds. Made with a hollow design to prevent the device from becoming too hot during use.
Date: March 1, 1921
Creator: Tischer, Edward R.
Partner: UNT Libraries Government Documents Department

Eyeglass Mounting

Description: Patent for the creation of new and useful improvements in eyeglass mounting.
Date: July 1, 1921
Creator: Henderson, W. T.
Partner: UNT Libraries Government Documents Department

Insecticide-Dispensing Receptacle.

Description: Patent for an improved insecticide dispensing receptacle, made cheaply enough it can be disposed of after use.
Date: March 1, 1921
Creator: Irwin, Herbert G.
Partner: UNT Libraries Government Documents Department

Window-Sash Gearing and Lock

Description: Patent for a window sash mechanism that allows the upper and lower portions of a window to be adjusted and locked independently of each other.
Date: March 1, 1921
Creator: Peaden, William H.
Partner: UNT Libraries Government Documents Department

Cultivator Attachment.

Description: Patent for an attachment for the cutting of weeds and soil moving. It is designed to be attached to any cultivator or plow beam either singly or duplicated.
Date: February 1, 1921
Creator: Turner, Edwin E.
Partner: UNT Libraries Government Documents Department

Insecticide for Boll-Weevils.

Description: Patent for boll-weevil insecticide with novel method of compounding. Arsenic and baking soda are combined with wood ash to create a dust which kills the insects as an inhalent instead of needing to be consumed by the insects in order to be effective.
Date: November 1, 1921
Creator: Koenig, Philipp
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel Attachment.

Description: Patent for a vehicle-wheel attachment to prevent wheel from moving and vehicle theft.
Date: March 1, 1921
Creator: Rodriguez, Mariano Magdaleno
Partner: UNT Libraries Government Documents Department

Holder for Car and Locomotive Replacing Frogs

Description: Patent for improving railway car frog replacement and holding. The improvements include greater strength and durability and low cost manufacture.
Date: November 1, 1921
Creator: Keith, Darwin E.
Partner: UNT Libraries Government Documents Department

Well-Drilling Device.

Description: Patent for well drilling device with new and useful improvements in well-drilling device for simultaneously drilling the main hole and an advance or "rat-tail" hole.
Date: March 1, 1921
Creator: Smith, Primus W. & Bookhout, John J.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for animal trap especially designed for trapping rats, mice, minks and other small animals. This animal trap has a pair of pivoted doors arranged on the opposite sides of a baiting standard, which is also vertically adjustable. The purpose of this trap is to drown the animals that have become entrapped.
Date: February 1, 1921
Creator: Wigington, William L.
Partner: UNT Libraries Government Documents Department

Cotton-Picker's Sack.

Description: Patent for improvements to Cotton-Picker's Sacks "to permit the bag or sack to be opened longitudinally to permit quick and convenient emptying of the contents thereof" (lines 12-15).
Date: March 1, 1921
Creator: White, Benjoman Henry
Partner: UNT Libraries Government Documents Department

Horse-Boot.

Description: Patent for a horse boot that covers and protects the hoof and pastern joint of a horse. It also protects the fetlock joint and practically the entire foreleg below the knee. This device allows for the horse to move without being hindered in any way, or without causing chafing. Both protecting the horse and providing additional comfort and safety.
Date: November 1, 1921
Creator: McKenzie, Joseph H.
Partner: UNT Libraries Government Documents Department

Perpetual Calendar.

Description: Patent for the improvement of calendars to create easier-to-read and quicker-to-adjust. These calendars were to be able to be used no matter the month or year and would always be accurate.
Date: February 1, 1921
Creator: Jones, L. Walter
Partner: UNT Libraries Government Documents Department

Automatic Turntable

Description: Patent for “a turn table of simple and durable structure adapted to be placed in the floor of a small garage or at other points, and which will automatically operate when an automobile is run upon the same to effect the complete turning of the automobile machine in order that the machine may enter the garage while traveling a forward direction and leave the garage in a similar manner” (lines 17-25). Includes illustrations.
Date: February 1, 1921
Creator: Sanders, Edwin J. & Morrison, John W.
Partner: UNT Libraries Government Documents Department

Potato-Curing Apparatus

Description: Patent for an apparatus used to cure sweet potatoes and similar vegetables by circulating heated air through storage bins and removing moisture.
Date: March 1, 1921
Creator: Wells, James Barber
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for Cotton Chopper. To help in the aid of chopping cotton instead of using a hoe.
Date: March 1, 1921
Creator: Wilson, William J.
Partner: UNT Libraries Government Documents Department

Automatic-Cut-Off

Description: Patent for an automatic cut-off part for a steam inlet pipe.
Date: March 1, 1921
Creator: La Bauve, William H.
Partner: UNT Libraries Government Documents Department

Chiropractic Table

Description: Patent for use by chiropractors in their manipulations of the human body, and has for its object the provision of a table or attachment to a table including simultaneously movable head and abdomen supports. The invention has been designed which embodies a head rest, chest support, and abdomen support all mounted upon a single hinged member which will automatically adjust itself to the patient laying upon the table, spring means being provided for opposing the movement.
Date: November 1, 1921
Creator: Lege, John H.
Partner: UNT Libraries Government Documents Department

Floor-Mop Wringer

Description: Patent for a mop wringing frame that is portable and independent of the mop and the water receptacle. The device causes the mop to be subjected to a twisting action when the handle of the mop is rotated.
Date: March 1, 1921
Creator: Paul, Jennie Henry & Paul, William Robert
Partner: UNT Libraries Government Documents Department

Liquid or Gaseous Fuel Burning Furnace.

Description: Patent for a furnace that can be powered either by gas or liquid fuel. Designed specifically for improved insulation and fuel efficiency.
Date: March 1, 1921
Creator: Hoover, Orvill Lockwood Mead
Partner: UNT Libraries Government Documents Department

Ship-Protector.

Description: Patent for a ship protector that uses a system of mats that can be individually lowered to temporarily repair a hole blown in the hull by a torpedo or floating mine, thereby keeping the ship from sinking until it can reach port. The mats can also be used to prevent floating mines from contacting the hull. Designed to be easily applied without requiring any material changes in the ship's construction.
Date: November 1, 1921
Creator: Geroianne, Francesco
Partner: UNT Libraries Government Documents Department

Planter

Description: Patent for a planter, in particular, a planter in which the hopper is provided with an agitator in the bottom, which will prevent the seed from clogging the feed opening and this produce a continuous and positive flow of seed.
Date: November 1, 1921
Creator: Catlett, William C.
Partner: UNT Libraries Government Documents Department
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