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Handle-Fastener (open access)

Handle-Fastener

Patent for handle fastener for tools such as screwdrivers, chisels, and augers. Illustrations included.
Date: February 4, 1913
Creator: McMillan, Eugene C.
System: The Portal to Texas History
Ratchet-Drill (open access)

Ratchet-Drill

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.
System: The Portal to Texas History