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Harrow-Cultivator Attachment

Description: Patent for a harrow attachment for cultivators. Illustrations included.
Date: July 30, 1912
Creator: Kovar, William L. & Wlha, William
Partner: UNT Libraries Government Documents Department

Sweep-Stock Attachment for Plows.

Description: Patent for a sweep-stock attachment for plows, which can be adjusted to different lengths without using a tool.
Date: July 20, 1909
Creator: Hewitt, John Henry
Partner: UNT Libraries Government Documents Department
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