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in creator/contributor: "Helm, Clyde D."

Patent for Hot and Cold Cotton Seed Cake Cutter

Date: September 5, 1916

Creator: Helm, Clyde D.

Partner: UNT Libraries Government Documents Department

Patent for an automatic continuous hydraulic oil press designed to more efficiently extract oil from a variety of crops and seeds.

Date: September 16, 1919

Creator: Helm, Clyde D.

Partner: UNT Libraries Government Documents Department