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GB Patent: GB-181,103,448
Improved method of manufacturing augers
Patentee:
William Gilpin (exact or similar names) - Litchfield, county Stafford, England

USPTO Classifications:

Tool Categories:
tool making : making drills and augers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 16, 1811

Patent Pictures:
Espacenet patent
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