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US Patent: 76,278
Improvement in Augers
Patentee:
A. C. Vaughan (exact or similar names) - Philadelphia, PA

USPTO Classifications:
408/204

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edward H. Williamson
William Albert Steel
Patent Dates:
Granted: Mar. 31, 1868

Patent Pictures:
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