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US Patent: 85,423
Improvement in Hollow Augers
Patentee:
J. H. Beauregard (exact or similar names) - Sandy Hill, NY

USPTO Classifications:
30/495

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

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Anthony Yartes
George Barney
Patent Dates:
Granted: Dec. 29, 1868

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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