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Patent for a well casing spear. Illustrations included.

Date: February 28, 1911

Creator: Norris, Joseph B.

Partner: UNT Libraries Government Documents Department

Patent for "new and useful Improvements in Track-Switches" (lines 5-6) including illustrations.

Date: February 15, 1916

Creator: South, John T.

Partner: UNT Libraries Government Documents Department

Patent for an improved protection device which may be attached to the bow of a ship.

Date: February 10, 1914

Creator: Wood, Shirley Hay

Partner: UNT Libraries Government Documents Department

Patent for pipe tongs used for rotary well boring machinery. The tongs are designed to be carried with and used by rotary machines.

Date: February 13, 1912

Creator: Johnston, Horace G.

Partner: UNT Libraries Government Documents Department

Patent for a churn. Illustration included.

Date: February 1, 1910

Creator: Hopkins, Samuel M.

Partner: UNT Libraries Government Documents Department

Patent for a churn top, which prevents the milk from splashing out of the churn while it is in use and keeps out bugs and dirt.

Date: February 1, 1910

Creator: Lewis, Lola

Partner: UNT Libraries Government Documents Department