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US Patent: 267,336
Protractor
Patentees: Charles D. Waters (exact or similar names) - Mechanicsburg, PA Alexander H. Ege (exact or similar names) - Mechanicsburg, PA USPTO Classifications: 33/470 Tool Categories: metalworking tools : machinist tools : measuring tools : protractors layout tools : protractors Assignees: None Manufacturer: Not known to have been produced Witnesses: John P. Melick John H. Keath	Patent Dates: Applied: Jun. 15, 1882 Granted: Nov. 14, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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