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US Patent: 53,821
Improvement in Smiths' Vises
Patentee:
S S Hepworth (exact or similar names) - Boston, MA

USPTO Classifications:
269/240, 269/285

Tool Categories:
work holding : vises : bench vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D E Somes
Wm Henry Prince
Patent Dates:
Granted: Apr. 10, 1866

Patent Pictures:
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