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Improvement in Cotton-Choppers.

Description: Patent for improvements in cotton choppers.
Date: April 28, 1868
Creator: Kidd, I. J.
Partner: UNT Libraries Government Documents Department

Saw Gummer.

Description: Patent for a new and improved saw gummer. This design "is to improve the action and prolong the usefulness of the bit and dies, and to prevent the clippings from interfering with the operation of the machine" (lines 26-29).
Date: July 28, 1885
Creator: Clopton, John Benjamin
Partner: UNT Libraries Government Documents Department

Improvement in Belt-Fasteners.

Description: Patent for new and useful improvements in Belt-Fasteners. Illustration is included.
Date: November 28, 1871
Creator: Olmsted, Marcellus
Partner: UNT Libraries Government Documents Department

Stump-Puller

Description: Patent for stump puller.
Date: April 28, 1903
Creator: Garrett, Irvin H.
Partner: UNT Libraries Government Documents Department

Automatic Regulator for Pneumatic Flues

Description: Patent for a regulated valve to automatically maintain air pressure in a pneumatic conveyor flue. Excessive air pressure causes a secondary valve to open and vent the pressure while at the same time impeding air flow downstream.
Date: May 28, 1901
Creator: Caffey, Charles B.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Scrapers.

Description: Patent for improvement in cotton-scrapers by using the combination of horizontal bars, cams, and a beam which consist of ploughs to construct the cotton-scraper; when the “cams revolve and give a lateral and forward motion to the horizontal bars, the beam and the ploughs. As it works backward and forward, the ploughs each describe a zigzag line which cross and leave a hill in diamond-shape undisturbed.” (Lines 21-24) Illustration is included.
Date: April 28, 1868
Creator: Kidd, I. J.
Partner: UNT Libraries Government Documents Department

Copy Holder

Description: Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date: April 28, 1914
Creator: Wrede, Albin C.
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Partner: UNT Libraries Government Documents Department
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