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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.

Partner: UNT Libraries Government Documents Department

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.

Partner: UNT Libraries Government Documents Department