UNT Libraries Government Documents Department - 19 Matching Results

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Lamp-Socket.

Description: Patent for an electric lamp socket that regulates the intensity of the current passing through the socket. It has multiple contact posts and a manually operated slide that makes contact with the posts.
Date: February 13, 1912
Creator: Hall, James Monroe

Rail-Joint.

Description: Patent for the addition of interlocking extensions onto the ends of railway joints. The interlocking extensions make bolts and nuts unnecessary and provide a snug fit, which eliminates both lateral and longitudinal movement.
Date: October 10, 1911
Creator: Free, Andrew

Automatic Quick-Acting Vise.

Description: Patent for a quick-acting, easily operated vise "in which the jaws are automatically held closed upon the work until released." Its simple construction enables it to be inexpensively and efficiently manufactured.
Date: August 14, 1917
Creator: McCullough, Daniel B.

Vehicle-Tire

Description: Patent for a bolt-free spring connection between a vehicle tires inner and outer rims, allowing for an air cushion between rims and improving overall performance of vehicle tires.
Date: September 18, 1917
Creator: Horne, Henry M. & Buford, John C.

Pliers

Description: Patent for pliers. The invention relates to improvements of the pliers, primarily adapted for use by linemen in securing an electric conducting wire upon an insulator, splicing the wire or stretching the same. The construction is to produce a pair of pliers which are simple in construction, cheap to manufacture and which will perform the functions of several ordinary tools.
Date: October 5, 1915
Creator: Bryce, William D.

Lemon and Lime Squeezer

Description: Patent for an improved lemon and lime squeezer that can divide the lemon and lime into two halves and squeeze the halves in succession, or one half be left un-squeezed.
Date: June 3, 1919
Creator: Bolton, Jack R.; Williams, John D. & Struve, Felix L.

Measuring-Dispenser.

Description: Patent for a fluid measuring dispenser with a dispensing receptacle, measuring scale, and cooperating gauge. The gauge displays the exact quantity of fluid dispensed as well as the amount remaining in the receptacle.
Date: January 7, 1919
Creator: Mauldin, Collumbus S.

Peanut-Planter.

Description: Patent for a device that evenly and uniformly deposits peanut seeds during the planting operation whereby the required quantity of seed may be deposited in the soil. The device contains a supplemental container, separate from the main container, where the supplemental container can uniformly divide seeds for planting.
Date: May 28, 1918
Creator: Norman, William A. & Norman, Mack D.
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