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US Patent: 453,811
Screw Cutting Tool
Patentee:
William Hutcheson (exact or similar names) - Baltimore, MD

USPTO Classifications:
408/154, 408/74

Tool Categories:
metalworking tools : tap and die holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Oct. 28, 1890
Granted: Jun. 09, 1891

Patent Pictures:
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