UNT Libraries Government Documents Department - 4 Matching Results

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Spur.

Description: Patent for a spur that can be attached and removed easily from boot heels, with instructions and illustrations.
Date: March 30, 1880
Creator: Tytler, Alexander D.
Item Type: Refine your search to only Patent

Wire-Cloth Fan for the Destruction of Insects.

Description: Patent for an improved fly-swatting fan that employs wire mesh to create less of a shadow so that the user has more of a chance to hit the insect. This improved fan also allows for easier flow of air that creates less of an air flow that might blow the insect away from the fan and allow for the insect to avoid injury or death. Included are instructions and illustrations.
Date: May 18, 1880
Creator: Taylor, Morse K.
Item Type: Refine your search to only Patent

Wood Screw.

Description: Patent for a new and improved wood screw. This design "consists of a screw-head having on the underside . . . cutting-edges alternating with flat and deep interspaces or notches, said notches completely filling the circuit of the screw-head and the notches gradually increasing in width and depth from the screw-shank to the crown of the head, thus enabling the cutters to clear themselves" (lines 12-20).
Date: November 23, 1880
Creator: Eckford, John
Item Type: Refine your search to only Patent
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