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US Patent: 718,923
Beam Compass
Patentee: John F. Ellsworth (exact or similar names) - Buffalo, NY USPTO Classifications: 33/27.033 Tool Categories: layout tools : compasses : trammels Assignees: George T. Chester - Buffalo, NY Manufacturer: Not known to have been produced Witnesses: Julian Stark H. Stark Michael J. Stark P. W. Miller	Patent Dates: Applied: Mar. 11, 1901 Granted: Jan. 20, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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