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Handle-Fastener

Description: Patent for handle fastener for tools such as screwdrivers, chisels, and augers. Illustrations included.
Date: February 4, 1913
Creator: McMillan, Eugene C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ratchet-Drill

Description: Patent for adding mechanical improvements to ratchet drill tools. These improvements include improved adjustment efficiency and range.
Date: August 12, 1913
Creator: McMillan, Eugene C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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