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Improvement in railroad switches

Description: Patent for an improvement in railroad switches, including illustrations.
Date: October 22, 1872
Creator: Fitzsimmons, Henry
Partner: UNT Libraries Government Documents Department

Strain Jacket for Telephone Poles

Description: Patent for a new and useful improvement in strain jackets for telephone poles.
Date: February 22, 1921
Creator: McKnight, William M.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Wrench and Saw-Set.

Description: Patent for improvements in the "combination of a wrench with a saw-setting device attached to the sliding jaw thereof" (lines 17-19). Includes instructions and illustrations.
Date: January 22, 1878
Creator: Backer, Jacob
Partner: UNT Libraries Government Documents Department

Darby.

Description: Patent for a darby with detachable extensions for use versatility and easier transport.
Date: May 22, 1917
Creator: Plank, Samuel K.
Partner: UNT Libraries Government Documents Department

Cotton - Bale Ties

Description: Patent for tying the ends of cotton bale wires or bands.
Date: September 22, 1874
Creator: Szabo, Alexander A.
Partner: UNT Libraries Government Documents Department

Apparatus For Forcing Fluid From Wells.

Description: Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date: February 22, 1921
Creator: Bodungen, Charles G.
Partner: UNT Libraries Government Documents Department

Clothes-Pin

Description: Patent for new and useful improvement to clothes pins to automatically lock themselves against accidental disengagement from the clothes line.
Date: April 22, 1913
Creator: Ingersoll, Charles J.
Partner: UNT Libraries Government Documents Department

Baling-Press.

Description: Patent for baling-presses to prevent the inward-drawing or centripetal movement of the fiber in a press of the roller type (lines 96-97) by “disposed intermediate of the rollers and within the plane of the baling-cylinder for opposing resistance to the inward movement of the fiber and overcoming to a greater or less extent the tendency of the upper layer of cotton to form waves or billows in advance of the rollers.” (Page 1, lines 101-102, page 2, lines 1-6.) Illustration is included.
Date: April 22, 1902
Creator: Atkinson, Joseph J.
Partner: UNT Libraries Government Documents Department

Jack-Block.

Description: Patent for improvement in jack boxes used for holding the wheel of a car.
Date: June 22, 1915
Creator: Guild, George
Partner: UNT Libraries Government Documents Department

Spring Wheel.

Description: Patent for the improvement of spring wheels. It is to prevent the movement of a car's rim or hub when sharp turns are being made.
Date: November 22, 1921
Creator: Livings, James Arthur
Partner: UNT Libraries Government Documents Department

Indicating Device for Vehicle

Description: Patent for a indicating device for vehicles are for providing a device of the character described designed particularly to be attached to automobiles and other similar vehicles.
Date: May 22, 1917
Creator: Nicholson, Robert M.
Partner: UNT Libraries Government Documents Department

Improvement In Circular-Saw Mills.

Description: Patent for an improved Circular Sawmill with an " improved adjustable feed mechanism" (pg 1). Illustration Included.
Date: October 22, 1872
Creator: Jones, John B.
Partner: UNT Libraries Government Documents Department

Tool Joint.

Description: Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date: March 22, 1921
Creator: Kreiter, Richard F.
Partner: UNT Libraries Government Documents Department

Penholder.

Description: Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date: June 22, 1920
Creator: Baldwin, Charles E.
Partner: UNT Libraries Government Documents Department

Automobile Signal

Description: Patent for an automobile signal which can be attatched to an automobile to signal the automobiles driving intent, stopping, turning etc.
Date: December 22, 1914
Creator: Brewster, Edward J.
Partner: UNT Libraries Government Documents Department

Vehicle-Spring

Description: Patent for a vehicle spring that is elliptical, "whereby the upper section... may move longitudinally independent of the lower section of the spring" (lines 18-21).
Date: May 22, 1917
Creator: Plank, Samuel K.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner

Description: Patent for a hydrocarbon burner that releases the fuel oil by means of a spray, for use in furnaces of stationary boilers. It also allows easy adjustment to the fuel nozzle on the spray.
Date: June 22, 1915
Creator: Smith, Algernon V.
Partner: UNT Libraries Government Documents Department

Railway-Crossing Signal

Description: Patent for a railway crossing signal that provides a visible signal, an alarm, and a whistle.
Date: June 22, 1909
Creator: Weisenborn, George P. A.
Partner: UNT Libraries Government Documents Department

Heading Holder Attachment for Type Writers

Description: Patent for a head holder attachment for type writers. This invention is for the purpose to make a removable attachment that holds prearranged headings.
Date: September 22, 1903
Creator: Ambrose, Jennings Grant
Partner: UNT Libraries Government Documents Department

Foldable Stool

Description: Patent for a foldable stool "primarily designed for the purpose of attachment to a sewing machine, and which may be collapsed into a compact form and swung into position underneath the top of the machine and out of the way, when not in use" (lines 12-17). It is intended to be used with a desk, table, or other similar furniture.
Date: July 22, 1919
Creator: Hagner, Frederick Hayes
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

Dental Instrument.

Description: Patent for a new and improved dental instrument "designed to be used for removing the enamel around the base of a tooth preparatory to crowning the same and may be also employed for the purpose of removing crowns from teeth" (lines 12-16), including illustrations.
Date: August 22, 1916
Creator: Hamilton, Arthur L.
Partner: UNT Libraries Government Documents Department

Drill-Stem Clamp for Rotary Drilling-Machines

Description: Patent for a rotary well drilling stem clamp which reduces wear on the machine and can be used with different size drill stems.
Date: September 22, 1908
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Folding Crate and Coop

Description: Patent for a crate that can be compactly folded and locked together, and may also be used as a coop.
Date: June 22, 1909
Creator: Jennings, Charles E. & Shuptrine, Orlander D.
Partner: UNT Libraries Government Documents Department
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