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US Patent: 365,621
Mechanism for Forming Threads
Patentee:
Horace A. Nettleton (exact or similar names) - Seymour, New Haven County, CT

USPTO Classifications:
411/429, 470/84, 72/103, 72/91

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 13, 1886
Granted: Jun. 28, 1887

Patent Pictures:
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