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US Patent: 2,307,831
Comparator
Patentee: Alfred Hamilton Emery (exact or similar names) - Wappingers Falls, Dutchess County, NY USPTO Classifications: 33/572 Tool Categories: metalworking tools : machinist tools : measuring tools : comparators Assignees: Standard Gage Co., Inc. - Poughkeepsie, Dutchess County, NY Manufacturer: Standard Gage Co., Inc. - Poughkeepsie, Dutchess County, NY Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1942 Granted: Jan. 12, 1943 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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