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US Patent: 197,070
Metal-Screw Threading Machine
Patentee:
Samuel L. Worsley (exact or similar names) - Taunton, Bristol County, MA

USPTO Classifications:
408/136, 408/67, 470/66

Tool Categories:
metalworking machines : metal threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 30, 1877
Granted: Nov. 13, 1877

Patent Pictures:
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