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US Patent: 125,980
Improvement in Screw Cutting Devices
Patentee:
Stephen North (exact or similar names) - Syracuse, NY

USPTO Classifications:
470/185, 470/59

Tool Categories:
woodworking machines : specialty woodworking machines : wood threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Apr. 23, 1872

Patent Pictures:
USPTO (New site tip)
Google Patents
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