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US Patent: 1,858,390
Torsion Released 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: 235/63K, 408/142, 408/151 Tool Categories: 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: Jun. 26, 1929 Granted: May 17, 1932 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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