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US Patent: 28,653
Tenoning-auger
Adjustable hollow auger
Patentee:
William A. Clark (exact or similar names) - Bethany, CT

USPTO Classifications:
30/495

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

Assignees:
None

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

Witnesses:
Dennis Kimberly
John S. Beach
Patent Dates:
Granted: Jun. 12, 1860

Patent Pictures:
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