Resource Type

Process of Purifying Oil (open access)

Process of Purifying Oil

Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.
Date: August 5, 1919
Creator: Miller, Albert E.
System: The Portal to Texas History
Mud-Guard (open access)

Mud-Guard

Patent for a mud guard for two-wheeled vehicles such as bicycles and motorcycles. The purpose is to prevent mud or dirt from spattering on the rider.
Date: August 5, 1913
Creator: Humble, George L.
System: The Portal to Texas History