UNT Libraries Government Documents Department - 132 Matching Results

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Spur Attachment For Stirrups

Description: Patent for spur attachment for stirrups. "The purpose of the invention is to provide a spur attachment to saddle-stirrups so constructed that a body-bar having an offset carrying a rowel is so hinged at its forward end to the stirrup that when the stirrup is not in use the body-bar carrying the rowel will hang perpendicularly downward, but wherein as soon as the foot is placed in the stirrup" (9-16). Illustration included.
Date: November 17, 1903
Creator: Poorter, Charles Louis
Item Type: Refine your search to only Patent

Switch.

Description: Patent for an electric switch that is used in conjunction with a signaling device that allows for lights to be activated synchronously or asynchronously via the use of two levers.
Date: September 6, 1921
Creator: Riggs, Fletcher S.
Item Type: Refine your search to only Patent

Table.

Description: Patent for a new and improved table. This design "is to increase the utility of tables by providing them with drawers extending from side to side, that will open from either side of the table, and also providing the drawers with additional means of support that will enable them to contain articles of great weight without injury to the structure, and thus adapt the same for use in stores" (lines 10-18).
Date: October 13, 1885
Creator: Davis, James Franklin
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Truck.

Description: Patent for a strong but light steel framed truck with a beamless braking system that is affordable and easy to repair.
Date: May 7, 1907
Creator: McKiel, James B.
Item Type: Refine your search to only Patent

Type-Writing Machine.

Description: Patent for a type-writing machine that has an improved variable line spacer. The simple and durable line spacer has the minimum number of parts and is easily adjustable to any distance.
Date: June 19, 1894
Creator: Hudson, John Horace
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Valve Mechanism For Steam Engines

Description: Patent for useful improvements to the valve mechanism for steam engines. The invention allows an improved means for actuating the slide valve without the use of eccentrics. The valve can also be operated into closed positions at various degrees, and also to reverse the direction of travel of the valve.
Date: June 9, 1914
Creator: Wright, Ed W.
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Window-Screen.

Description: Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
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Wrecking-Frog.

Description: Patent for "an improved frog for use in placing derailed cars or locomotives upon the rails, exceedingly simple and durable in construction, and formed substantially in one piece - that is, not in sections - and having improved means to lock the frog to the rail." (Lines 17-22) Includes instructions and illustrations.
Date: March 29, 1892
Creator: Wilmore, William Henry
Item Type: Refine your search to only Patent

Wrench.

Description: Patent for a new and improved wrench. This design is "especially adapted for manipulating pipe-joints, though applicable, also, for use in manipulating nuts, &c.; and it consists in the [novel] detailed construction and combination of operating parts" (lines 24-28).
Date: September 21, 1880
Creator: Weir, Duncan
Item Type: Refine your search to only Patent
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