UNT Libraries Government Documents Department - Browse
Showing: 1 - 24 of 86 Results.
Results as a List of Thumbnails and Descriptive Information Results as a Grid of Images Print This Result Page Keep up to Date with an RSS feed of results matching your query.
Filters have been applied to your results. Adjust settings from lower-left menu.
Description: Patent for a new and useful improvement in monkey-wrenches to "provide an improved construction of the same whereby the clamping-jaws may be quickly and readily adjusted to the nut or tap which is to be engaged thereby" (line 19-23).
Date: December 28, 1897
Creator: Antony, Edwin Le Roy
Description: Patent for an improved cattle-guard by using a guard that has a plurality of spurs, should an animal step thereon its foot will be directed against one or more of these spurs, thus causing the animal to withdraw its foot and not attempt to pass over the rail. This will prevent the animal from crossing railway-tracks, but the spurs will not interfere with the free passage of trains. (Lines 10-20) Illustration is included.
Date: April 2, 1901
Creator: Steinmann, Herman Werner
Description: Patent for improvements in shovel-plows “by enabling the stock and shoe securely mounted and yet adjusted from one position to another, according to the work to be performed.” (Lines 9-12) Illustration is included.
Date: April 22, 1902
Creator: Michalka, Joseph
Description: Patent for “a new and improved well-drilling machine adapted to be driven by horse-power and arranged to permit of actuating the drilling tools for drilling purposes and to allow of conveniently and quickly raising the tools from the well…” (lines 8-14) including illustrations.
Date: November 18, 1902
Creator: Moore, Robert Burns
Description: Patent for attachment of harrows that facilitate the use of harrows in pilling cotton stalks. This device allows the harrows to be in continuous motion creating efficiency in cotton pilling.
Date: March 11, 1913
Creator: Taylor, David T. & Barker, Felix
Description: Patent for "gages and guides for plows and cultivators. the object of invention is to provide and adjustable guide and gage adapted to be attached to divided standards of plows and cultivators." (lines 11-16) including illustrations.
Date: November 5, 1901
Creator: Lindsey, John Samiel
Description: Patent for "an improved garment-supporter adapted to be secured to an inner garment and to be detachably connected to the waistband of an outer garment, whereby the inner garment may be supported from the outer garment." (lines 11-16)
Date: July 7, 1903
Creator: Waters, Richard H.
Description: Patent for crossings for railway tracks and particularly to means for closing the cut in the rails made for the flanges of the wheels, and the object is to provide sliding members which can be easily operated to close the slot or cut in the crossing rails for the flanges of the wheels so that a continuous tread will be formed for every wheel that passes over the crossing and to provide a mechanism for the tracks.
Date: March 30, 1909
Creator: Adams, Powell O.
Description: Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date: March 20, 1906
Creator: Richter, Fred Otto & Richter, Gustav Adolph