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Patent for a method of sapping or destroying trenches or other defensive works to use in military operations.

Date: September 17, 1918

Creator: Hughes, Howard R.

Partner: UNT Libraries Government Documents Department

Patent for automobile signaling apparatus. The apparatus is designed to signal the operator's direction to other drivers.

Date: September 17, 1918

Creator: Riggs, Fletcher S.

Partner: UNT Libraries Government Documents Department

Patent for improved, cheap, and simple stalk-cutting technology with shielded protection, including instructions and illustrations.

Date: September 17, 1918

Creator: McCray, Henry L.

Partner: UNT Libraries Government Documents Department