UNT Libraries Government Documents Department - 5 Matching Results

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Automatic Valve

Description: Patent for an automatic valve, "designed to automatically control the water-supply to a suitable reservoir through the operation of a float (lines 9-11), with illustrations.
Date: April 25, 1905
Creator: Pinkerton, Henry S.
Item Type: Refine your search to only Patent

Nut-Lock.

Description: Patent for new and improved Nut-Locks, allowing for "a simple, strong, durable, and efficient arrangement for effectually locking a nut on a bolt..." (lines 16-18), including instructions and illustrations.
Date: April 29, 1916
Creator: Portesi, Santos & Taini, John
Item Type: Refine your search to only Patent

Shovel.

Description: Patent for a shovel, which has a detachable blade and handle that can be securely fastened when in use and easily taken apart for transport.
Date: April 7, 1908
Creator: Ellison, John Wesley
Item Type: Refine your search to only Patent

Swinging Gate.

Description: Patent for a swinging gate that consists of a supporting post, a gate, a hinge that connects the gate to the post, a rear bar, a hinge lever that connects the rear gate bar to the supporting post, an operating lever, cords or chains that connect the lever and the hinge lever, and a latching mechanism.
Date: April 25, 1893
Creator: Rohrbach, Gabriel
Item Type: Refine your search to only Patent
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