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US Patent: 91,387
Improved post auger
Patentee:
Alexander Vaughan - Chicago, IL

USPTO Classifications:
175/385, 175/394

Tool Categories:

Assignees:
None

Manufacturer:
Alexander Vaughan - Chicago, IL

Witnesses:
G. L. Chapin
E. E. Gibson

Patent Dates:
Granted: Jun. 15, 1869

Patent Pictures: [ 1 | 2 ]
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Description:
The first of the Vaughan family patents

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