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US Patent: 617,014
Beam Compass
Patentee: Frederick A. Hannah (exact or similar names) - Boston, MA USPTO Classifications: 33/27.031 Tool Categories: layout tools : compasses : trammels Assignees: None Manufacturer: Not known to have been produced Witnesses: George L. Dolbeare Alfred M. Potter E. Frank Woodbury	Patent Dates: Applied: Apr. 11, 1898 Granted: Jan. 03, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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