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US Patent: 76,804
Improvement in Hollow Augers
Patentee:
James L. Parker (exact or similar names) - Harrisonburg, VA

USPTO Classifications:
30/495

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. B. Clow
A. M. Tanner
Patent Dates:
Granted: Apr. 14, 1868

Patent Pictures:
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