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Air-Pump.

Description: Patent for a new and improved air pump capable of releasing air from the cylindrical casing in one motion. The updated design will also eliminate any lubricating oil from leaking into a tire.
Date: October 19, 1920
Creator: Lawley, Ira
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Potato-Digger.

Description: Patent for a potato digger, which leaves the potatoes on top of the soil and can be used in a variety of different soil types.
Date: October 19, 1909
Creator: Herring, Jesie M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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