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US Patent: 18,003
Expanding auger-bit
Patentee:
Asa Weeks - South Boston, MA

USPTO Classifications:
408/156, 408/181

Tool Categories:
woodworking tools : hand drills : drill bits : adjustable drill bits

Assignees:
Orin W. Fiske - South Boston, MA
Asa Weeks - South Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Lyman B. Walker
G. V. Pickering

Patent Dates:
Granted: Aug. 11, 1857

Patent Pictures:
USPTO pdf tiff
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