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Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).

Date: August 13, 1901

Creator: Carter, George Fitzhugh

Partner: UNT Libraries Government Documents Department

Patent for an improvement in a pneumatic, wind-powered stacker for threshing machines, preventing straw or chaff from entering into the stacker.

Date: August 14, 1906

Creator: Cumpston, Frederick Bernard

Partner: UNT Libraries Government Documents Department

Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.

Date: August 25, 1908

Creator: Carroll, Monroe W. & Johnston, H. G.

Partner: UNT Libraries Government Documents Department

Patent for a boll weevil exterminator. Illustration included.

Date: August 17, 1909

Creator: Evans, James W.

Partner: UNT Libraries Government Documents Department