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3 Matching Results
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Wrench.
Patent for a wrench where the movement of the jaws is partially automated.
Date:
March 6, 1906
Creator:
Tiner, John F.
System:
The Portal to Texas History
Key-Ring Clip.
Patent for new improvements for key ring clips that will not detach in a seated position.
Date:
July 6, 1920
Creator:
Evans, William
System:
The Portal to Texas History
Hulling Machine
Patent for sifting out leaves and detritus from harvesting of pecan nuts.
Date:
February 6, 1917
Creator:
Huegele, Alvin
System:
The Portal to Texas History