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US Patent: 329,721
Gearing
Patentee:
Francis W. Clough - Springfield, Hampden County, MA

USPTO Classifications:
74/462

Tool Categories:
metalworking machines : milling machines : milling machine cutters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 21, 1885
Granted: Nov. 03, 1885

Patent Pictures:
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