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US Patent: 491,840
Combination Tool
Patentee:
Benjamin F. Field (exact or similar names) - Elmira, Chemung County, NY

USPTO Classifications:
33/332

Tool Categories:
metalworking tools : machinist tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 22, 1892
Granted: Feb. 14, 1893

Patent Pictures:
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