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Insect-Destroyer.

Description: Patent for boll-weevil insect destroyer to that can be attached to cotton cultivator device and used to remove and destroy boll weevils simultaneously to plowing the cotton with the cultivator.
Date: September 5, 1916
Creator: McCracken, Ninian S.
Partner: UNT Libraries Government Documents Department

Cotton Chopper and Scraper

Description: Patent for new "construction and combination of devices" (lines 10-11) to improve cotton choppers and scrapers, with illustrations.
Date: July 5, 1887
Creator: Rouse, Samuel James
Partner: UNT Libraries Government Documents Department

Bed-Spring Tightener

Description: Patent for improvements in bed-spring tighteners, for adjusting the tension of a bed spring supporting wire as may be required. Illustration is included.
Date: July 5, 1910
Creator: Tlustos, Joseph J.
Partner: UNT Libraries Government Documents Department

Claw-Bar for Drawing Railroad-Spikes.

Description: Patent for "an invention is an improved claw-bar for drawing railroad-spikes, the object of my invention being to provide the bar with a pivoted fulcrum-piece which is adapted to facilitate the engagement of the toe or claw of the bar with the head of a spike, to increase the leverage of the bar in withdrawing the spike, and to provide means to relieve the pivots or trunnions of the fulcrum-piece of stress when the bar is being operated todraw a spike." (Lines 8-17) Illustration is included.
Date: November 5, 1901
Creator: Smitham, Nicholas L.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner

Description: Patent for an oil feeder designed to burn crude oil. It features a carbon deposit chamber and a vent pipe.
Date: May 5, 1903
Creator: Hartung, Theodore A.
Partner: UNT Libraries Government Documents Department

Ax-Sharpener

Description: Patent for an ax sharpener that can be attached to and removed from an ax head.
Date: January 5, 1915
Creator: Wilson, Friend A.
Partner: UNT Libraries Government Documents Department
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