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US Patent: 1,416,357
Protractor Scribe for Log Building
Patentee: Frank Oscar Knuusi (exact or similar names) - Huron Mountain, MI USPTO Classifications: 33/41.5 Tool Categories: layout tools : scribes Assignees: None Manufacturer: Not known to have been produced Witnesses: James E. Maund E. Rasmussen	Patent Dates: Applied: May 20, 1920 Granted: May 16, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This scribe features a sliding arm with a retractable point for marking off irregular shapes.

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