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Combined Rubber Dam and Tooth Backing Punch

Description: Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Ankylosis of the Knee

Description: Patent for an apparatus for treating knee ankylosis that is ready to use at a moments notice "without unnecessary or nervous shock to the invalid to apply the requisite heat, extension, and flexion to an afflicted part to render it supple and restore to its natural functions". (lines 11-15).
Date: September 19, 1905
Creator: Norwood, Robert R.
Partner: UNT Libraries Government Documents Department

Bird-Trap.

Description: Patent for improvements to a device used to trap birds, to keep them from damaging or consuming agricultural crops..
Date: November 19, 1901
Creator: James B. Barry.
Partner: UNT Libraries Government Documents Department

Animal Trap

Description: Patent for an animal trap, particularly desgned for rodents and birds, which is able to trap animals without having to be manually reset each time. Illustrations included.
Date: January 19, 1909
Creator: Barron, Nathan J.
Partner: UNT Libraries Government Documents Department

Animal-Trap

Description: Patent for an animal trap primarily intended for capturing rodents. Illustrations included.
Date: May 19, 1908
Creator: Pierce, William Z.
Partner: UNT Libraries Government Documents Department

Clinometer

Description: Patent for a clinometer. This invention is designed to measure the grades and angles of inclination of structures and objects of various descriptions. Illustration included.
Date: May 19, 1908
Creator: Keith, John David & Faulkner, Walter Edgar
Partner: UNT Libraries Government Documents Department
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