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Patent for a traction engine with more power in the driving shaft and reduced wasted space in the design.

Date: June 4, 1912

Creator: Cox, Oscar McGruder

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a door strip for blocking air gaps below doors.

Date: June 4, 1912

Creator: Valentine, Levi Jackson

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a disk plow modification, which allows the disk to be self-sharpening and automatically release accumulated garbage.

Date: November 4, 1919

Creator: Hoffman, George L.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a cutting mechanism for corn harvesters that allows the stalks to be cut more effectively while the corn is being harvested.

Date: June 4, 1912

Creator: Tilson, William H.

Item Type: Patent

Partner: UNT Libraries Government Documents Department