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US Patent: 396,479
Calipers & Dividers
Patentee: Thomas Green (exact or similar names) - East Davenport, IA USPTO Classifications: 33/808 Tool Categories: layout tools : calipers layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: John D. Schmidt Herschil L. De Battie	Patent Dates: Applied: Jul. 13, 1888 Granted: Jan. 22, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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