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Wrench
Patent for a wrench. The invention consists of a locking device to prevent the jaw from sliding. Illustration included.
Date:
October 29, 1912
Creator:
Fernandez, Pedro
System:
The Portal to Texas History
Ladder.
Patent for a ladder that will allow its prop legs to be slided longitudinally of the main ladder legs to form an extension ladder.
Date:
May 23, 1912
Creator:
Vierheller, Paul E.
System:
The Portal to Texas History
Downdraft-Stove
Patent for a downdraft stove. Illustrations included.
Date:
November 19, 1912
Creator:
Atteberry, Henry E.
System:
The Portal to Texas History