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US Patent: 220X
Screw Cutting
Machine for cutting screws
Patentee:
David Wilkinson (exact or similar names) - Unknown, Unknown

USPTO Classifications:
82/110

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 14, 1798

Patent Pictures:
USPTO (New site tip)
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Description:
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.

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