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US Patent: 4,868
Screw Threading Machine
Machinery for Cutting Screws
Patentee:
Peter H. Watson (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:
408/62, 470/66

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Dec. 03, 1846

Patent Pictures:
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