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Spittoon.

Description: Patent for a spittoon that does not spill the contents "in case the article is upset when moved by the foot or when struck in a way to cause the same to overturn".
Date: October 25, 1921
Creator: Holman, Vasser C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Primary Battery.

Description: Patent for a simplified primary battery "whereby the parts thereof may be readily removed and replaced without special tools by unprofessional persons, while at the same time providing a construction of primary battery involving new and useful connections for the positive and negative elements thereof." (Lines 10-16) Includes instructions and illustrations.
Date: May 25, 1897
Creator: Sutton, Henry M. & Steele, Walter L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow-Beam.

Description: Patent for "effective means whereby the component parts of a plow-beam can be relatively adjusted according to the nature of the work in hand or to meet certain conditions, thereby facilitating the work and increasing or decreasing the draft." (Lines 8-13) Includes instructions and illustrations.
Date: May 25, 1897
Creator: Miller, Henry A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pumping Apparatus.

Description: Patent for pumping apparatus. This invention provides a means to elevate liquids by use of compressed air. It is specifically intended for deep oil-wells.
Date: August 25, 1903
Creator: Cain, Francis Charles & Herrenkind, Oscar Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow Attachment.

Description: Patent for an adjustable plow attachment that is placed onto a plow blade and sweeps aside earth while "forming a load-bearing surface." (p. 1)
Date: December 25, 1900
Creator: Bracewell, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvement in plows by first connecting a furrow-shoe to the moldboard, and second, by provide means for operating the plow-point to make a deep or shallow furrow and for raising and lowering covering-plows simultaneously when the plow is in operation. (Lines 13-20) Illustration is included.
Date: June 25, 1901
Creator: Morrison, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow Attachment

Description: Patent for "a shovel or point attachment for plow-stocks for operation in turf, stubble, or grubby or rocky soil deep or shallow, the attachment being particularly adapted for turning stalks, weeds, grass, and stubble" (lines 11-17).
Date: June 25, 1901
Creator: Buster, Walter L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump System.

Description: Patent for a pump system with an improved air compressor for use in cars that produces a very quiet engine.
Date: July 25, 1911
Creator: Read, William K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pumping-Engine.

Description: Patent for a pumping engine that uses a "combined piston rod and plunger acting in the same vertical line and carrying a crank pin box and cross heads for driving the governing fly wheel" (lines 12-15). Mounting and dismounting this engine is simple, and the engine has easily accessible packing ends of the steam and water cylinders. Also, the adjustable yoke is improved in this engine.
Date: April 25, 1893
Creator: Clarkson, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Stock Car

Description: Patent for stock car. This is a train car for moving livestock. Illustration included.
Date: October 25, 1910
Creator: Jones, Jeremiah Conklin & Broyles, Winn
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Triple Valve For Air-Brakes

Description: Allows the "auxiliary reservoir to be recharged without releasing the brakes" (lines 11-13) improving the triple valve in air-brake systems.
Date: August 25, 1903
Creator: Robinson, David M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Toy.

Description: Patent for a toy consisting of two movable figures stationed on a circular base. One figure is hinged using a cord that passes through the base and can be pulled or retracted to allow the figure to collapse and spring upright. The second figure has a spring operated arm to strike and knock down the first figure.
Date: February 25, 1919
Creator: Fermier, Victor E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Riding-Horse.

Description: Patent for mechanical riding horse that is designed for children to use. It's purpose is a toy that can be ridden and travelled on as a tricycle.
Date: January 25, 1921
Creator: Finley, David Guy
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Paper bag

Description: Patent for improvements in paper bags, especially designed to prevent waste in the construction of the bag.
Date: August 25, 1900
Creator: Tyson, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Target-Throwing-Device

Description: Patent for a target throwing device which is an enhanced tool to efficiently target objects and is most useful for marksmen, including illustrations.
Date: January 25, 1910
Creator: Fridell, L.A
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock which holds nuts on bolts without the use of a washer.
Date: August 25, 1908
Creator: Bailey, James J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock, to hold a nut in place or act in place of a washer, including illustrations.
Date: September 25, 1900
Creator: Dowell, Jeff Davis & Galliher, Lawrence M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Packer.

Description: Patent for improvements towards the mechanical packing apparatus. The invention will connect the apparatus to power-operated presses, like that of the cotton press.
Date: January 25, 1921
Creator: Cameron, Theodore R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mud-Cleaning Mechanism for Tractor-Wheels.

Description: Patent for mud cleaning mechanism for tractor wheels. The mechanism's objective is to automatically clean from and between the cleats and the ground, and along the rims of tractor wheels while the wheels are in motion. Additional advantages noted are that this mechanism is easily assembled and disassembled, durable and compact, and applicable with multiple styes of tractors.
Date: May 25, 1920
Creator: Williams, Hartwell L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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