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US Patent: 163,490
Improvement in machines for boring hubs
Patentee:
Enos M. Henkle (exact or similar names) - Springfield, IL

USPTO Classifications:
144/98

Tool Categories:
metalworking machines : drilling and boring
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William H. Henkle
William Miles
Patent Dates:
Applied: Aug. 08, 1874
Granted: May 18, 1875

Patent Pictures:
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