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Building-Slab

Description: Patent for new invention that would improve in the construction of upright walls.
Date: February 11, 1920
Creator: Hanszen, Oscar A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile-Rack.

Description: Patent for improved automobile racks that are elevated to accomplish the following tasks: removing paint from the automobile, and make the automobile more accessible during construction.
Date: February 10, 1920
Creator: Cleveland, David P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Cleaning Apparatus.

Description: Patent for new improvements in a cotton cleaning apparatus, designed to attach to an unloading device and clean the cotton before passing through a drum separator. Includes illustrations.
Date: February 21, 1920
Creator: Williams, French B. & Adams, Benjamin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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