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Nut-Lock.

Description: Patent for new qualities of nut-lock security, efficiency, and convenience, including illustrations.
Date: April 24, 1906
Creator: Payne, Lewis.
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

Boat-Propeller.

Description: Patent for a boat propeller, which is inexpensive and adaptable to small boats. The propeller can go forwards or backwards and use multiple oars.
Date: February 5, 1901
Creator: Caffey, John W.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that provides an apparatus in which the parts may be readily detached for convenience in making repairs.
Date: June 5, 1908
Creator: Carl, Reinhold A.
Partner: UNT Libraries Government Documents Department

Improvements in Steam Engine

Description: Patent for improvements in steam-engines. The goal of this invention to provide a simple construction that can be equally adapted for locomotives and high speed engines.
Date: August 4, 1903
Creator: Dickson, Henry L.
Partner: UNT Libraries Government Documents Department

Measuring Device

Description: Patent for a measuring device that measures fabric. Illustration included.
Date: November 3, 1908
Creator: Teykl, John F. & Wagener, Kenny
Partner: UNT Libraries Government Documents Department

Hay-Press.

Description: Patent for a hay bailing machine. "The invention relates to bailing-presses, and more particularly to that class adapted for bailing hay, straw, &c.; and it has for one object to provide a simple and efficient construction in which a continuous rotation of the bailing-lever will act in conjunction with a retractile spring to reciprocate the plunger" (lines 7-13). "A further object of the invention is to provide a simple and efficient construction of detent for holding the gate after the hay or … more
Date: May 1, 1900
Creator: Garrett, Irvin H.
Partner: UNT Libraries Government Documents Department

Poison Distributor for Growing Plants

Description: Patent for a device that can be easily attached to a cultivator and delivers poison to both the roots and the top of a plant, protecting the plant from pests and disease, with illustrations.
Date: December 16, 1902
Creator: Zedlitz, Edward
Partner: UNT Libraries Government Documents Department
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