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Pipe Puller

Description: Patent for a pipe puller design to be used in wells.
Date: September 30, 1919
Creator: Heckman, J.
Partner: UNT Libraries Government Documents Department

Disk Cultivator

Description: Patent for an improvement on disk cultivators. This makes it easier to arrange the wheels on the disk cultivators to be able to work on the soil on land of different shapes and sizes.
Date: December 30, 1914
Creator: Craddock, John E.
Partner: UNT Libraries Government Documents Department
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