Cotton-Harvester (open access)

Cotton-Harvester

Patent for Patent for a cotton harvester machine which can collect rows of cotton crops using a scoop and exhaust fan, while also able to remove boll weevils, and cotton from bolls which are unopened.
Date: December 20, 1921
Creator: Cannon, Burrell
System: The Portal to Texas History
Metal-Coating Composition. (open access)

Metal-Coating Composition.

Patent for a metal coating composition to form a protective coating on metals and steel to prevent rust and corrosion.
Date: May 24, 1921
Creator: Ethridge, Thomas Jefferson
System: The Portal to Texas History