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Combined Wire and Wireless Telephone System.

Description: Patent for a combined wire and wireless telephone system that allows 2 people who are calling through two different central operating stations to talk to each other even though there is no wire directly between the 2 parties, through the use of a wireless system.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper with a solid hoe for thinning cotton and a toothed hoe for pulling weeds.
Date: March 7, 1911
Creator: Hart, Granville M.
Partner: UNT Libraries Government Documents Department

Oven

Description: Patent for an oven that may be used with open burners such as gas or oil burners. Illustrations included.
Date: December 15, 1908
Creator: Bolls, Virginia V.
Partner: UNT Libraries Government Documents Department

Pipe-Tongs.

Description: Patent for pipe tongs used for rotary well boring machinery. The tongs are designed to be carried with and used by rotary machines.
Date: February 13, 1912
Creator: Johnston, Horace G.
Partner: UNT Libraries Government Documents Department

Sounding Toy

Description: Patent for a sounding toy. The toy is in the form of windmill whereby an object generates noise as the wheel spins. Illustration included.
Date: December 14, 1909
Creator: Exline, Marcus P.
Partner: UNT Libraries Government Documents Department

Telephone Or Switchboard Plug

Description: Patent for a telephone or switchboard plug. "This invention relates to improvements in connecting plugs adapted to be used with spring jacks of telephone switchboards" (line 8-11). Illustrations included.
Date: November 27, 1906
Creator: Dozier, Alva Battie
Partner: UNT Libraries Government Documents Department

Hoisting Mechanism

Description: Patent for hoisting mechanism for use in oil-wells. This invention employees a sand-reel placed upon the hoisting shaft. Illustration included.
Date: October 16, 1906
Creator: Johnston, Horace G.
Partner: UNT Libraries Government Documents Department

Cabinet

Description: Patent for a cabinet which acts as a receptacle for money. Dollars and coins may be sorted using the tray mounted within the cabinet.
Date: May 22, 1906
Creator: Ferris, Thomas A.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an acetylene-gas generator that consists of “a suitable frame, a receptacle positioned within said frame, and a gas-bell” (lines 11-13), as well as a gasometer and carbide feed. As a result, the gas generator “will continually furnish dry, cool gas and at a substantially even pressure at all times” (line 22-24). Illustrations included.
Date: June 4, 1907
Creator: Hays, Parx Orr.
Partner: UNT Libraries Government Documents Department

Singletree Attachment.

Description: Patent for "an improved device on the end of a singletree to hold the end of a harness-tug" (lines 12-14). It has a stirrup-holder hinged to a ferrule, a handle, a stirrup, and a tug.
Date: December 31, 1895
Creator: Cawthon, Peter WIllis
Partner: UNT Libraries Government Documents Department

Crank-Pin-Box Connection.

Description: Patent for "improvements in the connections of single-acting pistons of compressor-engines and other engines of like character with one common crank-pin of the main shaft where two or more cylinders and pistons are employed." (Lines 13-18) Includes instructions and illustrations.
Date: May 26, 1896
Creator: Robinson, Charles H.
Partner: UNT Libraries Government Documents Department

Pendulum-Scale.

Description: Patent for "a self-registering scale which shall be composed of but a few parts, and which will be accurate and reliable in use, and not liable to get out of repair from constant employment" (lines 10-14).
Date: April 17, 1894
Creator: Graves, William J.
Partner: UNT Libraries Government Documents Department

Mine-Door.

Description: Patent for an mine door that has an improved locking mechanism. A rope is strung through pulleys, and is operated by pushing a lever that moves the rope and the door swings open.
Date: March 6, 1894
Creator: Warren, Governor D.
Partner: UNT Libraries Government Documents Department