UNT Libraries Government Documents Department - 33 Matching Results

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Safety Window-Screen.

Description: Patent for a window screen that is adjustable to different size windows and locks in place on the window frame at different heights to provide a cover for the opening left when a window is opened for ventilation for the purpose of preventing anyone from entering the house through the window.
Date: April 23, 1907
Creator: Crosby, Matthew G.

Wire-Stretcher.

Description: Patent for a wire stretcher, which can stretch and hold a wire for a fence until it is securely fastened to the fence post and is easy to operate.
Date: November 3, 1908
Creator: Dobbs, John & Welborn, William P.

Garment-Seam.

Description: Patent for a method "of forming seams for joining fabrics, metals, paper, or other sheets by means of thread, rivets, solder, or other expedient, and it has for its object to provide a seam within the outer sheets and their linings will be simultaneously joined at a single operation and by use of a single line of stiching, rivets, or other securing means." (lines 11-19)
Date: April 14, 1903
Creator: Johnson, Nellie E.

Cattle-Guard.

Description: Patent for a cattle guard, which is made up of a wedge shaped piece of metal that allows a cows leg to be caught rather than the foot to allow easier removal of the leg by the cow.
Date: August 31, 1909
Creator: Mosher, Benjamin E.
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