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US Patent: 195,321
Nut-Tapping Machine
Patentee:
Samuel L. Worsley (exact or similar names) - Taunton, Bristol County, MA

USPTO Classifications:
408/69, 470/167

Tool Categories:
specialty machines : nut or bolt making machines
metalworking machines : metal threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 30, 1877
Granted: Sep. 18, 1877

Patent Pictures:
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