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US Patent: 610,021
Centering Gage
Patentee: Charles V. Bogart (exact or similar names) - Fitchburg, MA USPTO Classifications: 33/520, 33/528, 33/542, 33/644 Tool Categories: layout tools : marking gauges : center marking gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: A. D. Harrison P. W. Pizzetti J. F. Wetherbee A. M. Pike	Patent Dates: Applied: Dec. 15, 1897 Granted: Aug. 30, 1898 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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