UNT Libraries Government Documents Department - 141 Matching Results

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Attachment for Plows.

Description: Patent for an attachment for plows, which "may be utilized as a cutter or the plow converted into a double-shovel plow," (lines 18-19) with instructions and illustrations.
Date: December 22, 1891
Creator: Williams, George M. D.
Item Type: Refine your search to only Patent

Beam or Girder.

Description: Patent for a new and improved girder. This design is "composed of a vertical web and a flange or flanges, a mass of the metal in a flange or flanges projecting from the web at and near one-half the distance between the axis and the neutral line" (lines 48-53).
Date: December 24, 1889
Creator: Cousins, Robert Henry
Item Type: Refine your search to only Patent

Binder For Books

Description: Patent describing an invention for a binder to securely hold pages, but allow leaves to be removed, and also lay flat. It includes oppositely-disposed hinged plates with a locking-rod.
Date: December 12, 1905
Creator: Crowder, Joseph Wade & Simmons, W. W.
Item Type: Refine your search to only Patent

Boll-Weevil Device.

Description: Patent for a cost-effective device that can remove and exterminate parasites from cotton as it's being harvested without damaging the cotton itself, including illustrations.
Date: December 28, 1920
Creator: Reeder, Leonard F. & Jackson, Walter B.
Item Type: Refine your search to only Patent

Dirigible Headlight

Description: Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date: December 16, 1919
Creator: Simpson, Hall B. & Hood, Dewitt
Item Type: Refine your search to only Patent
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