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Indicator for Mail-Boxes.

Description: Patent for the operator indicating a mail for the mail box to the courier mans, which allows easy purchase of things.
Date: May 16, 1916
Creator: Hunnicutt, Wallace V.
Partner: UNT Libraries Government Documents Department

Nut-Lock

Description: Patent for a nut lock that can be easily applied and detached from a bolt. Will lock screws in place to avoid accidental rotation of the bolt and is less expensive to make.
Date: February 16, 1915
Creator: Boren, W. E.
Partner: UNT Libraries Government Documents Department
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