Texas Patents - Browse
Showing: 1 - 4 of 4 Results.
Results as a List of Thumbnails and Descriptive Information Results as a Grid of Images Print This Result Page Keep up to Date with an RSS feed of results matching your query.
Filters have been applied to your results. Adjust settings from lower-left menu.
Description: Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."
Date: July 11, 1848
Creator: Swingle, Alfred
Partner: UNT Libraries Government Documents Department