UNT Libraries Government Documents Department - 20 Matching Results

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WRENCH.

Description: Patent for an improved wrench "which can be very quickly adjusted for its work" (lines 13-14), including illustrations.
Date: October 30, 1900
Creator: Phenix, William Preston

Vise.

Description: Patent for new improvements to vises involving accessories "to cooperate with the jaws of the vise in such a manner that the jaws will be very quickly and tightly brought together into direct engagement or into engagement with any object interposed between them," (lines 18-23) and an attachment to restore a work-out vise, including illustrations.
Date: February 11, 1902
Creator: Phenix, William Preston

Spring-Wheel.

Description: Patent for a steel wheel with springs for automobiles that reduces jarring, is affordable, and does not get damaged as easily as the pneumatic tires previously in use on automobiles.
Date: April 23, 1907
Creator: Tubbs, William Oscar

Silo

Description: Patent for a silo composed of sections that can be arranged to modify the capacity as needed, including illustrations.
Date: April 21, 1914
Creator: Ames, James W.

Water Tank Cut-Off

Description: Patent for improvements on the devices controlling the flow of water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: December 11, 1917
Creator: Law, Eugene L.

Automobile Road-Light.

Description: Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.
Date: February 25, 1919
Creator: Tausch, Joseph H.

Plow

Description: Patent for a plow which plows two furrows simultaneously. An axle is mounted on wheels, and the two adjustable plow beams pivot from the axle so that furrow depth and the width between furrows can be adjusted. Patent includes illustrations.
Date: November 30, 1920
Creator: Henderson, Warren H.

Vignetting Attachment for Multiple-Exposure Cameras.

Description: Patent for a multiple exposure camera attachment that allows multiple exposures to be made on a single plate or film, blending the exposures perfectly while avoiding harsh lines. The attachment is a telescopic tubular attachment with "a plurality of apertured light ray interrupting diaphragms" (lines 77-78).
Date: April 5, 1921
Creator: Moine, Selest E.
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