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Portable Silo

Description: Patent for a portable silo
Date: November 28, 1916
Creator: Wiesenborn, George
Partner: UNT Libraries Government Documents Department

Disk Plow.

Description: Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.
Date: November 4, 1919
Creator: Hoffman, George L.
Partner: UNT Libraries Government Documents Department
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