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US Patent: 297,941
Screw Cutting Die
Patentee:
Oswald J. Kosiol (exact or similar names) - Louisville, Jefferson County, KY

USPTO Classifications:
408/185, 470/190

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 30, 1883
Granted: Apr. 29, 1884

Patent Pictures:
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