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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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Embroidery-Needle.

Description: Patent for an embroidery needle that is simplified version for easy use and avoid complications. The embroidery needle has a better grip for the user.
Date: March 15, 1921
Creator: Pade, George V. & Neitzel, Conrad T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Record-Printing Device.

Description: Patent for record printing device that is used on cars for mechanics to record the car number and other data. The printing device is more durable especially though rough weather and easy to use by the mechanic.
Date: March 22, 1921
Creator: Gray, Dexter B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boat.

Description: Patent for boat with improvements towards easy movements by using a propeller and rudder. The boat is designed with the user to use their feet to manually move the boat. The boat is designed for hunting or fishing while keeping the hands free.
Date: March 8, 1921
Creator: Greer, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Vehicle-Body

Description: Patent for new and useful improvements in vehicle bodies - a vehicle for carrying groceries, vegetables, and other necessities, as a traveling store.
Date: March 29, 1921
Creator: Wieman, Herman A,
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wheel-Tread.

Description: Patent for improvements on tractor wheel tread design, the structure of which was previously submitted by the inventor in 1918. This improved wheel tread makes the structure stronger and more compact.
Date: March 29, 1921
Creator: Ingram, Joseph D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spike-Extractor

Description: Patent for a spike extractor that consists of a gripper and spring legs with inturned jaws.
Date: March 8, 1921
Creator: Hector, Olinthus H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.

Description: Patent for the improvement of the process of forming individual foot forms or replicas of a person's specific foot. This alleviates a person having to go through the painful process of breaking in new shoes. The foot forms can then either be kept by the individual or by the shoe dealer for making future foot wear.
Date: March 22, 1921
Creator: Butler, James B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Toy Aeroplane.

Description: Patent for a new and improved toy airplane to be propelled by the feet and steered by the child seated inside, including illustrations. It "is relatively simple and inexpensive to produce, while also being able to withstand considerable rough handling" (lines 26-28).
Date: March 15, 1921
Creator: Paul, Leon R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tool Joint.

Description: Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date: March 22, 1921
Creator: Kreiter, Richard F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for an oil-burner used to provide a structure of low cost material that allows thorough heating of the oil to accommodate the conversion to gas and combustion for flame at the orifice.
Date: March 8, 1921
Creator: Daily, William T.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Portable Forge

Description: Patent for a portable forge adapted for use in oil well drilling. Used to create a compact form of a forge for easy breakdown and storage, while also making it easier to transport.
Date: March 1, 1921
Creator: Wright, Samuel E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Insulator.

Description: Patent for a train track insulator, which acts as a fastener between adjourning portions of track.
Date: March 29, 1921
Creator: Collier, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pencil-Sharpener.

Description: Patent for a new and improved pencil sharpener "which will be simple and inexpensive in manufacture, highly effective in use, durable in service, and a general improvement in the art" (lines 20-23), including illustrations.
Date: March 22, 1921
Creator: Scougale, Malcolm
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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