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Liquid-Fuel Burner.

Description: Patent for a liquid fuel burner, which will burn semi-refined petroleum efficiently.
Date: January 31, 1911
Creator: Hayden, Jefferson B.
Partner: UNT Libraries Government Documents Department

Embroidery Attachment.

Description: Patent for an embroidery attachment for sewing machines.
Date: May 31, 1910
Creator: Shockley, Richard Watson
Partner: UNT Libraries Government Documents Department

Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.
Partner: UNT Libraries Government Documents Department
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