42 Matching Results

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Wrench.

Description: Patent for a wrench specifically made to remove well drill bits from the drill.
Date: April 13, 1920
Creator: Stover, Willard L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lens-Holder.

Description: Patent for a lens holder meant to provide a "simple, relatively inexpensive and efficient means" (line 10) of securing the lens in the headlamps of an automobile or similar lamp casing.
Date: April 13, 1920
Creator: Marshall, Stanley G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Truss.

Description: Patent for an "improved truss or abdominal belt" (lines 40-41) that provides a simple design with added pads.
Date: April 7, 1920
Creator: Buckley, James William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wire-Fence Shield.

Description: Patent for a tool to cover a portion of barbed wire fence allowing one to cross over or through without harm, composed of three or more telescoping metal tubes.
Date: April 6, 1920
Creator: Davis, Marion L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Packer.

Description: Patent for an improved well drilling device called a "packer", in which this version has a reduced likelihood of the seals between separate parts being damaged and needing replacement.
Date: April 13, 1920
Creator: Fletcher, Harold W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for an improvement to wrenches. This wrench uses a sliding jaw system for increased utility.
Date: April 29, 1920
Creator: Grogan, Edward W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Price-Tag.

Description: Patent for an improved price tag that includes not only the price information, but also "at a glance a stock record and a cost record and provides space for making notations and writing other information" (lines 13-16) for the use of a store clerk's reference.
Date: April 20, 1920
Creator: Bedinger, Singleton B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spear

Description: Patent for a spear that is used to help withdraw or remove pipes that may get stuck in wellbores.
Date: April 20, 1920
Creator: Gray, Ellsworth
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improvement on the design of pumps used in the oil industry. This uses a combination of water, sand, grits, and other sediments for deep wells.
Date: April 23, 1920
Creator: Scott, Floyd L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Torch or Burner

Description: Patent for a torch or burner for use in burning brush or foliage, which uses a pressure-controlled liquid fuel tank that maintains a steady flow of fuel at the correct pressure.
Date: April 27, 1920
Creator: Hardt, Benjiman F. & Taylor, Samuel T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump specifically designed for oil wells to make drilling oil more efficient, lucrative, and easier to perform.
Date: April 13, 1920
Creator: Carden, David A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail-Transferring Apparatus.

Description: Patent for a mail transferring apparatus designed to transfer mail bags from a station to a moving mail car with minimal injury to the mail bag or the receiving employees.
Date: April 20, 1920
Creator: Bashell, Edward Allen & Smart, W. L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Man's Garment

Description: Patent for improvements in men's garments allowing for a reversible garment wherein the stitches appear the same regardless of which side is out.
Date: April 20, 1920
Creator: Góngora, Tomás
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail Carrier or Container.

Description: Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe-Wrench.

Description: Patent for a pipe wrench that can be "operated in either direction" (line 18) to screw and unscrew a pipe with an easy application and secure grip.
Date: April 27, 1920
Creator: Nixon, Jeddy D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Percolator.

Description: Patent for a percolator for coffee or tea that is "reliable and efficient in its operation, readily and easily adjusted to fit the various sizes of pots and also inexpensive in manufacture." (lines 44-47)
Date: April 20, 1920
Creator: Rose, Isabell M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Light Switch.

Description: Patent for an improved electric switch that is used to energize electric lights for various purposes and for use in connection with a signaling system. This switch will permit the energization of any one of the lights separately or all lights simultaneously.
Date: April 6, 1920
Creator: Riggs, Fletcher S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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