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Insect-Destroyer.

Description: Patent for fumigation insect destroyer, in particular cotton boll weevils, but also for prairie dogs and other vermin.
Date: July 30, 1901
Creator: Koy, August & Kveton, John
Partner: UNT Libraries Government Documents Department

Ventilator.

Description: Patent for a ventilating cowl for buildings for fire prevention by causing smoke and sparks to pass outside of a building or deflate to the surface below. The cowl is cone shaped with a deflecting surface and has several rings through which smoke and sparks can pass through to the outside.
Date: November 30, 1915
Creator: Ashorn, Inshrish
Partner: UNT Libraries Government Documents Department

Cotton-Picking Nozzle.

Description: Patent for a new cotton picking nozzle that can be used with a suction device to pick cotton more efficiently, including illustrations.
Date: March 30, 1920
Creator: Taylor, Charles E.
Partner: UNT Libraries Government Documents Department

Collapsible Tent.

Description: Patent for improving collapsible tent rods and corner posts that support the structure, with illustrations.
Date: March 30, 1920
Creator: Hackfield, Arnold W.
Partner: UNT Libraries Government Documents Department
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