Automatic Train-Gate. (open access)

Automatic Train-Gate.

Patent for "new and useful improvements in automatic train gates" (lines 5-7) including illustrations.
Date: February 3, 1920
Creator: Ivanhoe, George. C.
System: The Portal to Texas History
Sorghum Cutter. (open access)

Sorghum Cutter.

Patent for a machine to cut sorghum and similar standing crops
Date: December 16, 1919
Creator: Drgac, Charles
System: The Portal to Texas History