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Switch-Hook

Description: Patent for a switch lock which prevents "splitting" (line 13). Illustrations included.
Date: January 28, 1908
Creator: Tullock, John Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for the invention of gate which can be opened inward and outward by certain features such as supporting brackets and a spirally grooved shaft that can rotate between brackets.
Date: August 28, 1906
Creator: Gilbert James Madison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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