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in creator/contributor: "Ernest, Albert C."  
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Rail-Joint.

Description: Patent for rail joints that will remove the need for bolts to secure the chairs. The joints will also allow the chair to be removed from the rail without using tools.
Date: October 14, 1913
Creator: Ernest, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Protractor

Description: Patent for a new protractor design that is “particularly to a protractor or gage for use by carpenters in cutting the rafters for a building roof” (lines 9-11) including illustrations.
Date: November 9, 1915
Creator: Ernest, Albert C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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