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Saw-Handle.

Description: Patent for Saw-Handle that blows air out of its handle to clear the saw's teeth of dust.
Date: July 24, 1917
Creator: Whitworth, John Luther
Partner: UNT Libraries Government Documents Department

Hair-Pin.

Description: Patent for a hairpin which consists of multiple parts made to grip the hair while secured in place with illustrations included.
Date: July 22, 1913
Creator: Jacobsen, Herbert
Partner: UNT Libraries Government Documents Department
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