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US Patent: 1,477,935
Adjustable Nut for Micrometers
Patentee: Emil G. Berg (exact or similar names) - Ashburnham, Worcester County, MA USPTO Classifications: 33/815, 33/816, 403/290, 411/433 Tool Categories: metalworking tools : machinist tools : measuring tools : micrometers Assignees: Emil G. Berg - Ashburnham, Worcester County, MA Carl Hedstrom - Gardner, Worcester County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 14, 1922 Granted: Dec. 18, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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