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US Patent: 220,349
Improvement in hub-boring and box-setting machines
Patentee:
William L. Curtis (exact or similar names) - Yates City, IL

USPTO Classifications:
144/99, 82/104

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 26, 1879
Granted: Oct. 07, 1879

Patent Pictures:
USPTO (New site tip)
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