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US Patent: 407,851
Blacksmith's Mandrel
Patentee:
James W. Cheney (exact or similar names) - Indianapolis, IN

USPTO Classifications:
72/457, 72/476, 72/477

Tool Categories:
trade specific : blacksmith

Assignees:
None

Manufacturer:
Cheney Anvil & Vise Co. - Detroit, MI

Witnesses:
V. E. Hodges
G. F. Downing
L. M. Curtis
F. I. Curtis
Patent Dates:
Applied: May 13, 1889
Granted: Jul. 30, 1889

Patent Pictures:
James W. Cheney patent July 30, 1889
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Description:
This cone mandrel is hollow with strengthening webs at intervals through its height, and a groove which opens into the interior.

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