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US Patent: 58,436
Improvement in Hollow Augers
Patentee:
James Lefeber (exact or similar names) - Cambridge City, IN

USPTO Classifications:
30/495

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ely S. Spriggs
Samuel Widover
Patent Dates:
Applied: Aug. 23, 1866
Granted: Oct. 02, 1866

Patent Pictures: [ 1 | 2 ]
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