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US Patent: 55,382
Improvement in Hollow Augers
Patentee:
James M. Smith (exact or similar names) - Seymour, CT

USPTO Classifications:
30/495

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John E. Earle
M. A. Hine

Patent Dates:
Granted: Jun. 05, 1866

Patent Pictures:
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