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Gate.
Patent for a gate that swings outward whenever it is unlatched that consists of an eye-joint that connects the gate to the post that turns vertically and horizontally, an extended toprail, a lever, and a pivot.
Date:
February 14, 1893
Creator:
Chadwick, John L.
System:
The Portal to Texas History
Car-Ventilating System.
Patent for a railroad car ventilating system that does require opening the windows.
Date:
February 14, 1911
Creator:
Shanley, Michael H.
System:
The Portal to Texas History