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Powder-Duster.

Description: Patent for a insecticide powder duster that ejects the powder onto plants.
Date: April 25, 1911
Creator: McKnight, Walter H.
Partner: UNT Libraries Government Documents Department

Antislipping Device for Tires

Description: Patent for a device intended to decrease slippage of vehicle tires on roads that are either damaged or otherwise hard to navigate due to weather conditions.
Date: September 4, 1919
Creator: Edwards, William J.
Partner: UNT Libraries Government Documents Department
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