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Patent for an egg beater. Illustration included.

Date: January 11, 1910

Creator: Nichols, Charles A.

Partner: UNT Libraries Government Documents Department

Patent for a valve controlling mechanism for train air brake systems that can be used when a car derails.

Date: June 11, 1912

Creator: Strader, Perry T.

Partner: UNT Libraries Government Documents Department

Patent for a grabbing device for pump and drill rods in wells to lift them out of the well.

Date: May 11, 1909

Creator: Law, Eddie P.

Partner: UNT Libraries Government Documents Department