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Combined Rake and Harrow.

Description: Patent for a combined rake and harrow.
Date: August 9, 1910
Creator: Ross, William M.
Partner: UNT Libraries Government Documents Department

Pump Rod Attachment

Description: Patent for a pump rod attachment. Illustration included.
Date: September 24, 1907
Creator: Sayers, Farley P.
Partner: UNT Libraries Government Documents Department

Plow-Cleaning Attachment.

Description: Patent for a plow attachment to clean debris from the blades. Attachment is inexpensive and easy to install.
Date: June 11, 1918
Creator: Driver, Le Roy E.
Partner: UNT Libraries Government Documents Department
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