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US Patent: 24,722
Hollow auger
Improved device for fastening cutters of hollow augers
Patentee:
William A. Clark - Bethany, CT

USPTO Classifications:
24/102P, 30/495

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

Assignees:
None

Manufacturer:
W. A. Clark & Co. - Westville, CT

Witnesses:
James Charles Gates
James H. Gridley

Patent Dates:
Granted: Jul. 12, 1859

Patent Pictures:
USPTO pdf tiff
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