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US Patent: 1,299,179
Drawing Instrument
Patentee: Aladar S. Harcos (exact or similar names) - San Francisco, San Francisco County, CA USPTO Classifications: 33/807 Tool Categories: layout tools : compasses : dividers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 26, 1918 Granted: Apr. 01, 1919 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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