UNT Libraries Government Documents Department - 15 Matching Results

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Pencil-Sharpener.

Description: Patent for an improved pencil sharpening attachment that attaches to the driving shaft of the motor of an electric fan. The fan serves the purpose of acting as a fan and sharpening a pencil.
Date: September 12, 1916
Creator: Dodd, Chester C.
Item Type: Refine your search to only Patent

Portable Elevator

Description: Patent for improvements in portable elevator devices. It is a cheaper and more efficient alternative to other portable elevator devices, designed with the purpose of unloading trucks.
Date: April 30, 1919
Creator: Kees, Homer Robert & Thomas, Elbert Franklin
Item Type: Refine your search to only Patent

Rake.

Description: Patent for a rake with curved ends and multiple teeth that hold the material and keep it from going to the sides.
Date: August 15, 1916
Creator: Green, Ella M.
Item Type: Refine your search to only Patent

Tractor Attachment

Description: Patent for a tractor attachment. The purpose of this attachment is to lift up the back wheels of the driving vehicle and improving the power of the vehicle.
Date: December 17, 1918
Creator: Thomas, Samuel Shelby
Item Type: Refine your search to only Patent
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