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Improvement in Reinforcing-Bar Supports.

Description: Patent for improving "bar supports for use in concrete construction" (lines 9-10) including instructions and illustrations.
Date: December 29, 1914
Creator: Darr, Frank J.
Partner: UNT Libraries Government Documents Department

Feed Device for Gin-Saw Sharpeners

Description: Patent for "a feeding device for the teeth which is independent of the filing devices, and which shall be so constructed that it will properly feed the teeth of saws of varying diameters, so as to give a regular and uniform size to each tooth without reference to the number of teeth in the saw" (lines 18-24).
Date: January 29, 1889
Creator: Behan, William & Friensehner, Paul
Partner: UNT Libraries Government Documents Department

Convertible Trunk.

Description: Patent for a trunk that converts between luggage (for use while traveling) and a bureau (for use while not traveling), with illustrations.
Date: March 29, 1892
Creator: Dwyer, John
Partner: UNT Libraries Government Documents Department
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