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US Patent: 229,777
Proportional Dividers
Patentee: José M. Villa (exact or similar names) - Medellin, Antioquia Columbia USPTO Classifications: 33/675 Tool Categories: layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: Fredrick Haynes Chandler Hall	Patent Dates: Applied: May 20, 1880 Granted: Jul. 06, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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