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US Patent: 679,934
Protractor Attachment for Center Finding Instruments
Patentee: Ralph W. Bailey (exact or similar names) - West Newbury, MA USPTO Classifications: 217/3CB, 33/429 Tool Categories: metalworking tools : machinist tools : measuring tools : protractors layout tools : protractors Assignees: None Manufacturer: Not known to have been produced Witnesses: C. C. Stecher P. W. Pezzeth C. F. Brown	Patent Dates: Applied: Apr. 19, 1901 Granted: Aug. 06, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Wright, Brown & Quinby - patent attorneys

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