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Spark-Arrester.

Description: Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date: January 27, 1920
Creator: Ashby, Bert A.
Partner: UNT Libraries Government Documents Department

Packet-Holder.

Description: Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date: January 27, 1920
Creator: Ashby, Bert
Partner: UNT Libraries Government Documents Department

Film Winding Attachment

Description: Patent for film-winding attachment that allows for the exact number of rotations to wind film. This invention seeks to prevent unnecessary damage that excessive winding can do to film.
Date: January 6, 1920
Creator: Mansfield, Clarence H.
Partner: UNT Libraries Government Documents Department

Saw Gaging and Setting Tool.

Description: Patent for saw gaging and setting tool designed to be a simple and efficient way to gage and set saws blades. The invention can also be used for truing saw teeth.
Date: January 20, 1920
Creator: Barger, Bernard J.
Partner: UNT Libraries Government Documents Department
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