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Patent for improvements to cotton harvesting devices, with instructions and illustrations.

Date: March 15, 1892

Creator: Cunningham, James F. & Dingee, William W.

Partner: UNT Libraries Government Documents Department

Patent for an apparatus which contains a tank of soda in which yellow pine lumber is dipped to prevent blue stain. Illustrations included.

Date: December 12, 1911

Creator: Trout, Walter Charles & Trout, William Henry

Partner: UNT Libraries Government Documents Department

Patent for a gas producer from a continuous stream of combustibles with air.

Date: June 17, 1913

Creator: Hirt, Jules H.

Partner: UNT Libraries Government Documents Department