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Tractor

Description: Patent for a tractor. Illustrations included.
Date: October 22, 1912
Creator: Miks, Ambrose
Partner: UNT Libraries Government Documents Department

Proportioning Weighing-Machine

Description: Patent for a proportioning weighing machine. Illustrations included.
Date: August 22, 1911
Creator: Cardwell, Robert M. & Tholen, John Ben.
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for a well pump. Illustrations included.
Date: December 22, 1908
Creator: De Hymel, Leo Blake
Partner: UNT Libraries Government Documents Department

Pump and Windmill Connection

Description: Patent for a connection between a pump and a windmill which varies the speed of the stroke.
Date: July 22, 1913
Creator: Slover, James S.
Partner: UNT Libraries Government Documents Department

Propelling or Power-Generating Mechanism.

Description: Patent for the constructions of a propelling machine of a vessel, which is provided an electric motor in an engine as a power source for propelling the vessel.
Date: July 22, 1913
Creator: Caldwell, John C.
Partner: UNT Libraries Government Documents Department

Stirrup

Description: Patent for a stirrup. Illustration included.
Date: January 22, 1907
Creator: Levy, John Victor
Partner: UNT Libraries Government Documents Department

Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: January 22, 1907
Creator: Hodges, Amos J.
Partner: UNT Libraries Government Documents Department

Stock Feeding Device

Description: Patent for a stock feeding device. Illustration included.
Date: January 22, 1907
Creator: Harvey, Albert Wadkins
Partner: UNT Libraries Government Documents Department

Means for Operating Swinging Gates.

Description: Patent "to simplify and improve the construction of means for opening and closing swinging gates," (lines 10 - 12) including instructions and illustrations.
Date: March 22, 1892
Creator: Rhodes, James W.
Partner: UNT Libraries Government Documents Department

Tool for Cleaning Out Nuts.

Description: Patent for a tool for cleaning out internally-threaded apertures. This removes rust and dirt from screw-threads without damaging the threads, and is much less destructive than acid baths, heat, and screw-taps.
Date: September 22, 1896
Creator: Rall, Frederick A.
Partner: UNT Libraries Government Documents Department

Tool-Handle And Tool.

Description: Patent for certain new and useful improvements in tool handles and tools, including instructions and illustrations.
Date: August 22, 1899
Creator: Lantz, Albert C.
Partner: UNT Libraries Government Documents Department

Tongue Support

Description: Patent for a wagon tongue support. Illustration included.
Date: November 22, 1904
Creator: Evans, Martin S.
Partner: UNT Libraries Government Documents Department

Switch

Description: Patent for a switch. "This invention obviates likelihood of derailment by splitting the switches, so as to thereby secure a means for preventing the rolling stock from being thrown from the tracks." Illustration included.
Date: August 22, 1905
Creator: Hibbets, Charles M.
Partner: UNT Libraries Government Documents Department

Spark Arrester.

Description: Patent for a new and improved spark arrester for smokestacks. This design "consists of an inverted hollow cone suspended within a hollow and flaring receiver for the sparks . . . so as to deflect the sparks against a conical annular cover to the receiver, whereby the sparks are broken and thrown against an arrester located over the hollow cone, and by which the sparks are again broken . . . and continued in that course until extinguished" (lines 7-18).
Date: August 22, 1882
Creator: Green, George
Partner: UNT Libraries Government Documents Department

Spoke-Tightening Device

Description: Patent for a spoke tightening device which can be adjusted to different lengths for different wagon wheels.
Date: March 22, 1910
Creator: Weidemann, Reinhold
Partner: UNT Libraries Government Documents Department

Spike-Puller.

Description: Patent for a spike remover that firmly grips the spike being removed.
Date: October 22, 1907
Creator: Webb, James A.
Partner: UNT Libraries Government Documents Department

Process of Producing Metallic Zinc

Description: Patent for a process of producing metallic zinc. Illustration included.
Date: November 22, 1910
Creator: Dawson, Oliver B.
Partner: UNT Libraries Government Documents Department

Plow Attachment

Description: Patent for plow attachment. This invention relates to the handling of young plants. Illustration included.
Date: August 22, 1905
Creator: Pate, Miles M. & Ellison, Harrison L.
Partner: UNT Libraries Government Documents Department

Planter Attachment For Cultivators.

Description: Patent for certain new and useful improvements in corn and cotton planter attachments for cultivators, including instructions and illustrations.
Date: November 22, 1898
Creator: Brock, Samuel
Partner: UNT Libraries Government Documents Department

Process of Obtaining Oil and Stock Food from Cotton-Seed.

Description: Patent for a process for preparing stock food and extracting oil from cotton seed. The objectives include obtaining more oil from seed and a very nutritious stock food. The other objectives are eliminating waste of the residue after the oil has been extracted, regulating protein, and killing germs from the food. The patent includes illustrations.
Date: July 22, 1913
Creator: Covey, Thomas H.
Partner: UNT Libraries Government Documents Department

Pump-Rod Coupling.

Description: Patent for "a pump rod coupling and more particularly to a coupling adapted to connect together pump rods made of wood or similar substance" (lines 8-11).
Date: July 22, 1913
Creator: Kemp, Thomas Stephen
Partner: UNT Libraries Government Documents Department

Post Auger.

Description: Patent for a new and improved post-auger. This design "is to improve that class of post-augers whose blades are made adjustable so as to make large or small holes. They have ordinarily been adjusted by means of a bolt, nut, and slot in the blade; but the blades work out of correspondence with each other, the nuts becoming more or less loosened. [This design] dispense[s] with bolt, nut, and slot" (lines 15-23).
Date: October 22, 1889
Creator: Harris, Green Berry
Partner: UNT Libraries Government Documents Department

Printing Plate.

Description: Patent for a new and improved printing-plate. This design "relates to an improvement in printing-plates designed particularly for printing mailing-lists for newspapers and other periodicals" (lines 8-11). To this end, it consists in "[t]he combination of the bar or holder having the downwardly and inwardly turned ends, and the printing-plates secured on the former . . . of the loop loosely mounted on the plate, and the interposed wedge-shaped locking-key" (lines 5-16).
Date: July 22, 1890
Creator: Eberhardt, Theophilus Charles
Partner: UNT Libraries Government Documents Department

Paddle-Wheel

Description: Patent for a paddle wheel. Illustrations included.
Date: February 22, 1910
Creator: Dusek, Henry
Partner: UNT Libraries Government Documents Department
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