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Excavator

Description: Patent for excavator.
Date: December 19, 1916
Creator: Story, Ela D.
Partner: UNT Libraries Government Documents Department

Seed Cotton Cleaner

Description: Patent for a cleaner for seed cotton, in preparation for supplying the cotton to gins.
Date: December 19, 1916
Creator: Cass, Thomas M.
Partner: UNT Libraries Government Documents Department

Grave-Cover

Description: Patent for a device to provide a temporary cover to open graves made of non-rusting materials with adjustable length.
Date: September 19, 1912
Creator: Rankin, Daniel H. & Cox, William, E.
Partner: UNT Libraries Government Documents Department

Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
Partner: UNT Libraries Government Documents Department
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