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Cotton-Topper.

Description: Patent for a cotton-top trimmer that can be attached to a cultivator.
Date: May 7, 1907
Creator: Griffith, Thomas K.
Partner: UNT Libraries Government Documents Department

Cistern-Cleaner

Description: Patent for a device to be used for cleaning mud and sediment from cisterns while preventing contamination of the water within the cistern.
Date: May 7, 1918
Creator: Davis, Lewis F.
Partner: UNT Libraries Government Documents Department
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