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US Patent: 662,835
Mandrel
Patentees:
James Thomas (exact or similar names) - Catasauqua, Lehigh County, PA
William R. Thomas (exact or similar names) - Catasauqua, Lehigh County, PA

USPTO Classifications:
279/2.13, 82/169

Tool Categories:
metalworking tools : mandrels and arbors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Sep. 24, 1900
Granted: Nov. 27, 1900

Patent Pictures:
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