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US Patent: 19,752
Screw Cutting Machine
Patentee:
Richard H. Cole (exact or similar names) - St. Louis, MO

USPTO Classifications:
408/150, 470/86, 470/96

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Mar. 30, 1858

Patent Pictures:
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