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US Patent: 1,064,953
Separable Square
Patentee: Oscar R. Altwein (exact or similar names) - Southington, Hartford County, CT USPTO Classifications: 403/376 Tool Categories: layout tools : squares : carpenter squares Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 14, 1911 Granted: Jun. 17, 1913 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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