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US Patent: 1,922,849
Gauging of Screw Threads
Patentee: James Hartness (exact or similar names) - Springfield, Windsor County, VT USPTO Classifications: 33/199R Tool Categories: metalworking tools : machinist tools : measuring tools : thread gages Assignees: None Manufacturer: Jones & Lamson Machine Co. - Springfield, Windsor County, VT Witnesses: Unknown	Patent Dates: Applied: Jun. 21, 1928 Granted: Aug. 15, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Jones & Lamson Machine Co.

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