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Veterinary Mouth-Speculum.

Description: Patent for a mouth speculum for use by veterinarians to hold open the mouths of animals during surgeries on their teeth.
Date: July 30, 1907
Creator: Rutherford, Frank E.
Partner: UNT Libraries Government Documents Department

Flexible Brace

Description: Patent for a brace that is placed between the body and axle of a vehicle apparatus. The purpose of the brace is to relieve the vehicle springs from strain.
Date: September 30, 1919
Creator: Smith, George W.
Partner: UNT Libraries Government Documents Department
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