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US Patent: 249,821
Combination Square
Patentee: Stephen H. Bellows (exact or similar names) - Athol, MA USPTO Classifications: 33/428 Tool Categories: layout tools : squares : center squares Assignees: None Manufacturer: Not known to have been produced Witnesses: W. E. Simonds James J. Greene	Patent Dates: Applied: Feb. 04, 1881 Granted: Nov. 22, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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