UNT Libraries Government Documents Department - 19 Matching Results

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Boll-Weevil Exterminator.

Description: Patent for a boll-weevil exterminator comprised of a wheeled frame with a tank containing insect poison and a means to gradually distribute the poison through a field. The patent includes instructions and illustrations.
Date: September 1, 1914
Creator: Griffin, Willis F.
Item Type: Refine your search to only Patent

Car-Replacer

Description: Patent for car replacer. It is an improvement to "what is called a 'frog' or a 'shoe'." The invention involves "two frogs or shoes which are used together" and are used "in such a way as to replace a car truck. . ." (Ledbetter)
Date: December 1, 1914
Creator: Ledbetter, Louis H.
Item Type: Refine your search to only Patent

Display-Counter.

Description: Patent for a grocery display counter that has drawers at the back and transparent containers that enable customers to view merchandise from front and side.
Date: September 1, 1914
Creator: Friedrich, Edward
Item Type: Refine your search to only Patent

Envelop.

Description: Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date: December 1, 1914
Creator: Donaldson, James Macon
Item Type: Refine your search to only Patent

Filter

Description: Patent for "a simple and efficient filter which is adapted to allow liquid or gas to freely pass therethrough and be cleansed of impurities and sediment" (lines 11-15). Illustrations included.
Date: December 1, 1914
Creator: Corn, John W.
Item Type: Refine your search to only Patent

Hoeing-Machine.

Description: Patent for dual drive hoeing machine. Machine utilizes a "carriage, support brackets, journaled drive shaft, crank arm and gyrating arm" (p. 3, lines 31-34). The machine produces straight rows and eliminates side draft (p.1, 15-19)
Date: December 1, 1914
Creator: Ashely, John F.
Item Type: Refine your search to only Patent

Hydraulic Swivel

Description: Patent for the hydraulic swivel. This is an improvement to the hydraulic swivel that already exists. It involves "the rotary well-drilling machines, to permit the flow of water to the point of the drill." (Black)
Date: December 1, 1914
Creator: Black, Lee J.
Item Type: Refine your search to only Patent

Nutcracker.

Description: Patent for a device to crack nuts that can be attached to a table or other stationary object, and that allows a nut to be placed in a stationary position to be cracked, including illustrations.
Date: September 1, 1914
Creator: May, Frank B.
Item Type: Refine your search to only Patent

Paper-File

Description: Patent for new improvements in Paper-Files, particularly to that class of paper files which are formed of wire that will allow for the removal of any one paper from the file without the necessitating the removal of any other papers from the file.
Date: September 1, 1914
Creator: Buie, Daniel C.
Item Type: Refine your search to only Patent

Roller Boring-Drill.

Description: Patent for a boring-drill that can be manufactured cheaply. It provides sufficient space for the casing to follow it in order to prevent the walls from caving in. The patent includes instructions and illustrations.
Date: December 1, 1914
Creator: Hughes, Howard Robard
Item Type: Refine your search to only Patent

Silo.

Description: Patent for a new, water-tight silo that can be easily assembled without skilled labor and can be set up anywhere, including illustrations.
Date: September 1, 1914
Creator: Brookshire, Samuel N.
Item Type: Refine your search to only Patent
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