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Air-Pump.
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
System:
The Portal to Texas History
Potato-Digger.
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.
System:
The Portal to Texas History