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US Patent: 122,243
Improvement in Boring Bars for Facing the Ends of Cylinders
Patentee:
James Flower (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
408/169, 408/94, 411/437, 83/563

Tool Categories:
metalworking tools : boring bars
metalworking machines : drilling and boring : facing heads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 26, 1871

Patent Pictures:
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