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Patent for "a frog for crossing rails at switches or railway-crossings" (lines 8-9).

Date: December 25, 1900

Creator: Barry, James

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a railroad tie. This invention is made of concrete and allows rails to be attached without the need of spikes. Illustration included.

Date: July 25, 1905

Creator: Percival, Herbert E. & Key, Brewer W.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a shoelace fastener to hold the tongue of the shoe up and keep the laces tied.

Date: February 25, 1908

Creator: Nicholls, George H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department