Wrench (open access)

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. (open access)

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 (open access)

Downdraft-Stove

Patent for a downdraft stove. Illustrations included.
Date: November 19, 1912
Creator: Atteberry, Henry E.
System: The Portal to Texas History