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Insecticide

Description: Patent for a type of insecticide for cotton and vegetable plants. Particularly effective for use against the "boll-weevil" of cotton plants.
Date: May 26, 1903
Creator: Bourlon, Eugene A.
Partner: UNT Libraries Government Documents Department

Plow Cleaning Attachment.

Description: Patent for a new and improved plow cleaner. This design consists in "[t]he combination, with the mold-board of a plow, having parallel longitudinal slots . . . of upper and lower rollers, belts passing around the same beneath the mold-board, scrapers connected to said belts in line with the slots and adapted to pass over said mold-board, and means for rotating said belts" (lines 93-99).
Date: May 6, 1890
Creator: Dyer, Charles Valentine.
Partner: UNT Libraries Government Documents Department

Gate-Latch.

Description: Patent for a new and useful gate latch, including instructions and illustrations.
Date: May 16, 1899
Creator: Perkins, Oscar P.
Partner: UNT Libraries Government Documents Department

Combination Valve and Cap Tool

Description: Patent for a combination valve cap and stem used to ease the process of deflating pneumatic tires by eliminating the need to keep track of a separate cap piece when removing the valve core, including illustrations and instructions for use.
Date: May 7, 1918
Creator: McComb, William Perry
Partner: UNT Libraries Government Documents Department
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