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Wheel-Rim.

Description: Patent for improvement to wheel rims providing "means for introducing oil thereinto and distributing it throughout the whole periphery" (lines 10-12).
Date: May 27, 1902
Creator: Harville, Walter S.
Partner: UNT Libraries Government Documents Department

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

Convertible Car.

Description: Patent for improved convertible cars pertaining to railroad rolling-stock, that can be converted from freight-car into a box-car or cattle-car. This invention is tighter in corners when serving as a box-car, to prevent leakage of transports.
Date: May 22, 1906
Creator: Cothern, John K.
Partner: UNT Libraries Government Documents Department
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