Grain-Car. (open access)

Grain-Car.

Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.
Date: March 15, 1921
Creator: Dukes, Sandy
System: The Portal to Texas History
Shocker. (open access)

Shocker.

Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date: June 15, 1920
Creator: Groves, Charles H.
System: The Portal to Texas History