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Electric Time-Switch.

Description: Patent for an electric, switch-operated construction functioning for timer-controlled circuit completions and breaks, including illustrations.
Date: July 3, 1906
Creator: Chappel, James. M.
Partner: UNT Libraries Government Documents Department

Valve or Cut-Off for Tanks

Description: Patent for Valve or Cut-off for Tanks. Improved valve or cut-off for tanks especially discharge valves. Few parts, easy to assemble, easy to operate, intended for extended use.
Date: July 2, 1903
Creator: Leithauser, Peter Jerome; Leithauser, Peter J. & Leithauser, P. J.
Partner: UNT Libraries Government Documents Department

Door-Saddle.

Description: Patent for new and improved door saddles, which consists "of a longitudinal and cross-grooved arrangement of parts coacting with inclined surfaces and shields to cause a perfect drainage of water" (lines 11-15), including instructions and illustration.
Date: July 13, 1897
Creator: Vogel, Thomas.
Partner: UNT Libraries Government Documents Department

Electric motor.

Description: Patent for improved electric motor used in motor vehicles "which may be associated directly with the driving-wheel of a motor-vehicle" (lines 40-41), bypassing the need for other power-transmitting mechanisms. Includes instructions and illustrations.
Date: July 20, 1897
Creator: Perret, Frank A.
Partner: UNT Libraries Government Documents Department

Car-Brake.

Description: Patent for improvement to train brakes by using a car brake apparatus.
Date: July 21, 1885
Creator: Sledge, Clarence Linden
Partner: UNT Libraries Government Documents Department

Cotton-Sack Hanger.

Description: Patent for a hanger designed to easily attach and detach from a cotton sack without damaging the sack or the hands of a cotton picker. It is designed to be made of a single piece of material and may be used to hang the sack on a scale for weighing the contents.
Date: July 22, 1919
Creator: Hamrick, Walter
Partner: UNT Libraries Government Documents Department

Improvement in Extension Hat-Brims.

Description: Patent for a "new and Improved Extension Hat Brim" (lines 3-4) with folding arms to extend the brim, including illustrations.
Date: July 8, 1873
Creator: Cassiano, I. Ygnacio
Partner: UNT Libraries Government Documents Department

Wild Well Control

Description: Patent for a device to help get oil or gas wells back under control from a distance if they have developed excessive gas pressure which may cause fluid to blow out of the well or fires.
Date: July 11, 1933
Creator: Whitwam, Wallace W.
Partner: Private Collection of Mike Cochran

Apparatus for Cleaning Deep Wells.

Description: Patent for a device that assists in cleaning deep wells that have caked material in the pumping apparatus by using hot steam.
Date: July 3, 1917
Creator: Deats, George W.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
Partner: UNT Libraries Government Documents Department

Wire-Stretcher

Description: Patent for a wire stretcher for barbed wire or woven wire fences. Illustrations included.
Date: July 6, 1909
Creator: Graham, Bruno
Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for a wire stretcher. Illustration included.
Date: July 31, 1906
Creator: Culp, Willis Harmon
Partner: UNT Libraries Government Documents Department

Wire-Tightener.

Description: Patent for a new and useful wire tightener, including instructions and illustrations.
Date: July 5, 1898
Creator: Brown, William
Partner: UNT Libraries Government Documents Department

Window or Door Screen

Description: Patent for a screen that can be applied to doors and windows.
Date: July 5, 1910
Creator: Miller, Annie
Partner: UNT Libraries Government Documents Department

Window Sash

Description: Patent for a window sash. Illustration included.
Date: July 31, 1906
Creator: Daugherty, William E.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a nut and pipe wrench. Illustrations included.
Date: July 7, 1908
Creator: Barr, George T.
Partner: UNT Libraries Government Documents Department

Wire Stretcher

Description: Patent for a wire stretcher. Illustration included.
Date: July 17, 1906
Creator: Wright, Jessie T.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for a wrench used to remove the nuts of a vehicle wheel axle.
Date: July 7, 1908
Creator: Ponton, Henry Ponton
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench that is adjustable to different size nuts and has a reciprocating screw member.
Date: July 16, 1907
Creator: Daniel, Robert O.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for wire stretcher which draw fence-wire and hold the stack. This device is used mainly while working with fence-wires and supplemental tie-wires.
Date: July 15, 1902
Creator: Halpain, William M.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new sliding jaw type wrench which enables objects to be clamped in the jaws of the wrench securely while leverage is used to rotate the head of a nut.
Date: July 29, 1913
Creator: McGill, Wisdom
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date: July 29, 1913
Creator: Ashliman, Adolph E.
Partner: UNT Libraries Government Documents Department

Wire Stretcher and Repairer.

Description: Patent for a new wire stretcher and repairer that stretches and repairs broken telephone, telegraph, or other types of wires and also takes up slack in the line when stringing wires.
Date: July 15, 1913
Creator: Butler, Joseph F.
Partner: UNT Libraries Government Documents Department

Wire Clothes-Pin.

Description: Patent for a device which utilizes a spring to assist with the clamping of textiles.
Date: July 28, 1914
Creator: Buckley, John L. & Coin, James W.
Partner: UNT Libraries Government Documents Department
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