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Cattle-Guard

Description: Patent for a cattle guard for use at railroad tracks incorporating a depressible platform connected to a closing mechanism which will impede movement of cattle across the track, but allow for unobstructed movement at other times.
Date: March 20, 1906
Creator: Richter, Fred Otto & Richter, Gustav Adolph
Partner: UNT Libraries Government Documents Department

Attachment for Harrows

Description: Patent for attachment of harrows that facilitate the use of harrows in pilling cotton stalks. This device allows the harrows to be in continuous motion creating efficiency in cotton pilling.
Date: March 11, 1913
Creator: Taylor, David T. & Barker, Felix
Partner: UNT Libraries Government Documents Department
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