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Patent for a rail joint that is new and improves already existing rail joints specifically scarf joints.

Date: October 26, 1920

Creator: McDonald, John A.

Partner: UNT Libraries Government Documents Department

Patent for an insect and animal exterminator. Illustrations included.

Date: October 29, 1912

Creator: Hobbs, James Joseph

Partner: UNT Libraries Government Documents Department

Patent for improved manual washing machine gearing.

Date: October 19, 1915

Creator: McNeil, H. W.

Partner: UNT Libraries Government Documents Department