Resource Type
Counties
3 Matching Results
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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
Peanut-Roaster.
Patent for a new and improved peanut roaster with a rotating drum that can sound an alarm after a certain interval of time and can be moved directly over a roasting flame, including illustrations.
Date:
May 4, 1920
Creator:
Peckham, Samuel C.
System:
The Portal to Texas History
Road Grader and Drag
Patent for improving road maintenance and construction.
Date:
June 14, 1921
Creator:
Herring, Jesie M.
System:
The Portal to Texas History