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US Patent: 87,852
Improvement in hub-boring machine
Patentee:
F. Jonas (exact or similar names) - Freeport, IL

USPTO Classifications:
144/278.1, 408/101, 408/94

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Mar. 16, 1869

Patent Pictures:
USPTO (New site tip)
Google Patents
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