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Mote-Board for Cotton-Gins

Description: Patent for mote boards for cotton gins that throw off bolls, leaf, trash, dust, along with other foreign material
Date: July 1, 1919
Creator: Wooldridge, James L.
Partner: UNT Libraries Government Documents Department

Dental Instrument.

Description: Patent for an improved dental instrument with a pointer and plunger combination to precisely locate the opening of the root canal and fill it effectively. The simple construction with few parts efficiently produces a compact tool with low production costs.
Date: December 23, 1919
Creator: Payne, David H.
Partner: UNT Libraries Government Documents Department

Copy Holder for Stenotyped Notes

Description: Patent for a stenotyped note copy holder.
Date: February 25, 1919
Creator: Hoyl, Archie Gladney
Partner: UNT Libraries Government Documents Department
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