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US Patent: 166,788
Improvement in hub-boring machines
Patentee:
John Lee - Lyons, IA

USPTO Classifications:
144/100, 269/218

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. J. Leffingwell
William W. Sanborn

Patent Dates:
Applied: Jul. 06, 1875
Granted: Aug. 17, 1875

Patent Pictures: [ 1 | 2 ]
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