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US Patent: 741,292
Fine Adjustment for Protractors
Patentee: Ralph W. Bailey (exact or similar names) - West Newbury, MA USPTO Classifications: 33/429 Tool Categories: metalworking tools : machinist tools : measuring tools : protractors layout tools : protractors Assignees: None Manufacturer: Not known to have been produced Witnesses: Walter P. Abell P. W. Pezzetti R. M. Pierson A. C. Ratigan	Patent Dates: Applied: Jan. 14, 1903 Granted: Oct. 13, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Wright, Brown & Grimsby - patent attorneys

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