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in subjects: "Science and Technology - Tools"  
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Barrel-Truck.

Description: Patent for a new barrel truck or wheeled dolly design for moving barrels or boxes more easily, including illustrations.
Date: December 27, 1887
Creator: Wilson, William W. & Newton, Jeremiah L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for "locking the control pedals of a motor vehicle from movement in either direction, the said lock being arranged between the pedals and arranged to simultaneously engage and lock both" (lines 9-14).
Date: February 27, 1919
Creator: Cameron, Robert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Motor.

Description: Patent for improvements in “water-motor in which the float-boards, paddles, or buckets move through the water in such a manner as to get as nearly as possible all the force it is capable of yielding, avoiding the great waste of power that results from the use of water-wheels.” (Lines 16-22) Illustration is included.
Date: October 27, 1891
Creator: Hurd, Judson B. & McLane, Hiram H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hose-Washer.

Description: Patent for improvement in efficiency of hose washers. Patent helps to prevent accidental detachment of a hose via the use of a "resilient wire" designed to strengthen the connection. Citation: Calvert, Walter Riley. Hose-Washer., patent, April 27, 1915; [Washington D.C.]. University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.
Date: April 27, 1915
Creator: Calvert, Walter Riley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ice-Cream-Freezer Holder.

Description: Patent for a new ice cream freezer holder to be placed at the bottom of a freezer during the freezing process, including illustrations.
Date: January 27, 1914
Creator: Toepperwein, Ferdinand L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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