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US Patent: 97,499
Improvement in boring-machine
Patentee:
Frederick M. Gibson (exact or similar names) - Chelsea, MA

USPTO Classifications:
144/104, 408/103

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Dec. 07, 1869

Patent Pictures:
USPTO (New site tip)
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