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US Patent: 286,469
Calipers and Dividers
Patentee: William H. Mitchell (exact or similar names) - Boston, MA USPTO Classifications: 33/558.06 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: Oscar F. Gunz C. Sedgwick	Patent Dates: Applied: Nov. 20, 1882 Granted: Oct. 09, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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