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Hook and Eye.

Description: Patent for improvement in hook and eye in which it will enable the “coacting parts to be readily engaged with each other, be closed with a snap by lateral pressure, which will not slacken or have play where they engage each other. It will not become accidentally detached, and have resilience between the engaged members that insures their remaining connected. It also will not have gap between the dress flaps when the members join together.” (Lines 13-21) Illustration is included.
Date: March 28, 1905
Creator: Priest, Frank L.
Partner: UNT Libraries Government Documents Department

Gang Disk Drill.

Description: Patent for a new disk drill, with instructions for use and illustrations. The gang disk drill has a series of disk-shaped cutters along its body, allowing for more rapid, efficient penetration of shale and other types of material.
Date: March 28, 1916
Creator: Hughes, Howard Robard, 1869-1924
Partner: UNT Libraries Government Documents Department

Insect-Trapping Attachment for Cultivators.

Description: Patent for "new and useful improvement in insect-trapping attachments for cultivators" (lines 5-7) including illustrations.
Date: March 28, 1916
Creator: Etheredge, John H.
Partner: UNT Libraries Government Documents Department

Packing-Cutter.

Description: Patent for a packing cutter with the original purpose to cut away the packing material from around pistons and cylinders with speed and accuracy, including illustrations.
Date: March 28, 1916
Creator: Landry, Rosamond L.
Partner: UNT Libraries Government Documents Department

Spark Plug Protector.

Description: Patent for a spark plug protector that will shield the spark plug from moisture.
Date: March 28, 1922
Creator: Sharp, Morrison M.
Partner: UNT Libraries Government Documents Department
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