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US Patent: 1,406,004
Metal Working Machine
Patentee: Paul R. Hahnemann (exact or similar names) - Southington, Hartford County, CT USPTO Classifications: 72/169, 72/175, 72/238 Tool Categories: metalworking machines : metal threading machines : thread rolling machines Assignees: Peck, Stow & Wilcox Co. - Southington, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 07, 1920 Granted: Feb. 07, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Peck, Stow & Wilcox Co.

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