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US Patent: 1,040,715
Centering Device
Patentee: Harry Mann (exact or similar names) - Brooklyn, Kings County, NY USPTO Classifications: 33/832, 33/DIG.6, 451/415 Tool Categories: metalworking tools : machinist tools : measuring tools : center finders metalworking machines : metal lathes : metal lathe accessories and attachments Assignees: Harry Mann - Brooklyn, Kings County, NY Charles Thoma, Jr. - Carlstadt, Bergen County, NJ Walter Thoma - Carlstadt, Bergen County, NJ Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 03, 1909 Granted: Oct. 08, 1912 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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