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Puzzle

Description: Patent for Puzzle
Date: November 28, 1916
Creator: Trull, Clarence A.
Partner: UNT Libraries Government Documents Department

Plow Attachment

Description: Patent for plow attachment to a clevis and can be used in connection with the draft devices.
Date: November 14, 1916
Creator: Hamilton, Lemon W.
Partner: UNT Libraries Government Documents Department

Alarm for Incubators

Description: Patent for an alarm that sounds upon the temperature in an incubator either increasing or decreasing.
Date: November 21, 1916
Creator: Poore, John F.
Partner: UNT Libraries Government Documents Department
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