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US Patent: 533,827
Mandrel
Patentee:
Robert Singleton Peabody (exact or similar names) - Philadelphia, PA

USPTO Classifications:
82/169

Tool Categories:
metalworking tools : mandrels and arbors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 11, 1894
Granted: Feb. 05, 1895

Patent Pictures:
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