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US Patent: 660,821
Centering Device for Lathes
Patentee: John G. Obermier (exact or similar names) - Canton, Stark County, OH USPTO Classifications: 82/148 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 13, 1900 Granted: Oct. 30, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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