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US Patent: 3,151X
Machine for boring holes in posts
Patentee:
James Corbett - Hanover, PA

USPTO Classifications:
408/47

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 21, 1819

Patent Pictures:
USPTO pdf tiff
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Description:
An elegantly simple method of manually boring multiple holes. Two people together can provide the muscle power.

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