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US Patent: 410,051
Machine for Turning Tapered Bolts
Patentee:
Samuel M. Vauclain (exact or similar names) - Philadelphia, PA

USPTO Classifications:
407/45, 470/86, 82/130

Tool Categories:
specialty machines : nut or bolt making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 29, 1889
Granted: Aug. 27, 1889

Patent Pictures:
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