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Bat-Former

Description: Patent for a cotton bat former that produces a bat of uniform size and weight.
Date: March 21, 1911
Creator: Ball, Samuel M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bolt-Jack

Description: Patent for a bolt jack with which bolts may be pulled without bending. Illustrations included.
Date: March 29, 1910
Creator: Smith, Henry H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cistern-Guard.

Description: Patent for a device that guards the water cistern against impure water which drains from the roof of a building to which the cistern appertains.
Date: March 26, 1912
Creator: Johnson, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

AUTOMOBILE

Description: Patent for improvements for power distribution in automobiles, including illustrations.
Date: March 31, 1914
Creator: De Witt, George, W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Belt Tightener for Pumps.

Description: Patent for belt tighteners for well pumps which decreases the amount of force necessary to tighten a pump. Patent includes instructions and illustrations.
Date: March 6, 1917
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Combined Hose-Reel and Valve.

Description: Patent for a hose reel and valve in which the act of unwinding the reel automatically opens the valve; includes instructions and illustrations.
Date: March 23, 1915
Creator: Landry, Rosamond L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Picket-Fence Machine.

Description: Patent for a picket fence machine for a fence that can be built of wire where normal fence pickets are woven and spaced an equal distance apart, including illustrations and instructions.
Date: March 10, 1914
Creator: Purdy, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fire-Alarm System.

Description: Patent for an automatic fire alarm system with a simple arrangement of alarm devices (positioned throughout different rooms) with sound or visual indicators for fire awareness and closer thermal circuits (assisted with spring contact and circuit closer). The automatic fire alarm system will have a more immediate reaction by making an alert noise or visual and propping open the spring contact.
Date: March 16, 1915
Creator: Ammons, John Burck; Ammons, Evander & McGaffey, Otis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cheese-Hoop.

Description: Patent for improvements in cheese hoops by creating a suitable frame work to support a wire gauze or net on the sides and the top of the hoop. This protects the cheese when cutting out a portion of the cheese.
Date: March 30, 1915
Creator: Cain, William R. & Cain, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Conveyer System.

Description: Patent for "an improved conveyer system that will take a package and automatically carry it to any selected point along the system, discharge the package and return to the starting point" (lines 8-12), including illustrations.
Date: March 18, 1919
Creator: Hanak, Edward
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Carbon Holder for Electric Arc Lamps

Description: Patent for improvements made to the carbon holder for electric arc lamps to improve efficiency in replacing the lamps. To improve upon the current design, the patent illustrates and describes a new level clutch system to allow movement, as opposed to the gravity-based design previously implemented.
Date: March 17, 1914
Creator: Lacy, Benjamin Burton & Elrod, Henry E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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