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US Patent: 167,825
Dies for Forming Wrench-Bars, &c.
Patentee:
Aury Gates Coes (exact or similar names) - Worcester, MA

USPTO Classifications:
72/463, 72/474, 76/5.4

Tool Categories:
woodworking machines : specialty woodworking machines : tool making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Burleigh
S. R. Burton
Patent Dates:
Applied: Aug. 11, 1875
Granted: Sep. 21, 1875

Patent Pictures:
Aury G. Coes Pat. Sept. 21, 1875
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Description:
The patented feature of these forging dies are small passages for air, steam or water blast to clear dirt and scale.

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