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US Patent: 1,804,459
Screw-Cutting Die
Patentees: Ernest T. Bysshe (exact or similar names) - Springfield, Windsor County, VT Robert R. Finn (exact or similar names) - Springfield, Windsor County, VT USPTO Classifications: 408/142, 408/158, 470/103, 470/75 Tool Categories: metalworking machines : drilling and boring : tapping heads and chucks metalworking tools : taps and dies metalworking tools : tap and die holders Assignees: Jones & Lamson Machine Co. - Springfield, Windsor County, VT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 05, 1927 Granted: May 12, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Jones, Lamson & Co.

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