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US Patent: 8,456
Making Screws
Patentee:
Thomas J. Sloan (exact or similar names) - New York, NY

USPTO Classifications:
470/61

Tool Categories:
specialty machines : material cutting machines
hardware : fasteners : screws

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 21, 1851

Reissue Information:
Reissued as RE2,182 (Mar. 06, 1866)

Patent Pictures:
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