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US Patent: 643,080
Gear Tooth Calipers
Patentee: Joseph Boulet (exact or similar names) - Beverly, Essex County, MA USPTO Classifications: 33/501.11, 33/501.17, 33/829, 81/164 Tool Categories: layout tools : measurement gauges Assignees: None Manufacturer: Boulet's Fine Tool Works - Beverly, Essex County, MA Witnesses: A. U. Orne Joseph A. Handy Eugene Humphrey Peter A. Coupal	Patent Dates: Applied: Oct. 30, 1899 Granted: Feb. 06, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Eugene Humprhey - patent attorney

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