UNT Libraries Government Documents Department - 4 Matching Results

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Well-Drill

Description: Patent for well drill that enables its upper end to be struck without disengaging the cable with an objective to provide simple, inexpensive, and convenient use.
Date: July 4, 1916
Creator: Walker, Merit Benjamin

Swing.

Description: Patent for a swing, particularly for children, that provides a foot rest that rises from the floor when a person sits down and includes a back that can be reclined. The particular design is also cheaper and easier to build.
Date: July 4, 1916
Creator: Shaw, John Copeland Miller

Boring-Tool.

Description: Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.
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