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US Patent: 350,366
Die for Cutting Screws
Patentee:
George Holstein (exact or similar names) - Spuyten Duyvil, New York County, NY

USPTO Classifications:
408/182, 408/188

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 17, 1886
Granted: Oct. 05, 1886

Patent Pictures:
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