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Automatic Sand Trap

Description: Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date: April 12, 1921
Creator: Allen, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fuse Block

Description: Patent for improvements to Patent No. 1113528. Invention provides a fuse block where the fuses can be replaced by a lineman without being in close proximity to the primary circuit wires. Invention also allows various types of fuses to be used.
Date: May 3, 1921
Creator: Anderson, Lou Belle
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile Signal

Description: Patent for the creation of signals to be used in conjunction with automobiles during traffic.
Date: February 22, 1921
Creator: Ziegenbalg, Emil
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boring-Tool.

Description: Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Center-Gage and Micrometer

Description: Patent for improvements to a center gage and inside micrometer to "provide central support for dividers" (lines 15-16) including illustrations.
Date: January 11, 1921
Creator: Snell, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Blow-Out Boot

Description: Patent for a blow-out boot which would prevent the usual particulate from being able to enter the inner tire after a blow-out.
Date: January 4, 1921
Creator: Barnes, John A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Blow-Out Shoe.

Description: Patent for a new blow-out shoe for pneumatic tires which uses a pliable fastening instead of metallic connections or laces.
Date: January 4, 1921
Creator: Moore, Lee, R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Box Car Door Fastener

Description: Patent for a box door fastener used for railway box car doors. For use in sliding door style entrances, and does not require the alteration of doors once installed. Doors may also be fastened in place while also allowing to be in a slightly open position for ventilation of the interior.
Date: January 21, 1921
Creator: Wood, James Gillam
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Can Opener

Description: Patent for a can opener specifically shoe polish boxes. It is used as an opener that will not require the use of rivets, openings in the material, or any other means whereby air may enter the can.
Date: May 10, 1921
Creator: Searcy, Peter B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes-Rack

Description: Patent for Clothes Rack. This helps dry clothes indoors when the weather is bad outside.
Date: March 22, 1921
Creator: Wells, Lillie Bell
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Chuck.

Description: Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.
Date: December 27, 1921
Creator: Castanie, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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