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US Patent: 391,533
Centering Apparatus
Patentee: John Eliot Howard (exact or similar names) - Altoona, Blair County, PA USPTO Classifications: 144/253.7, 279/33, 33/673, 82/164 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: Aug. 02, 1888 Granted: Oct. 23, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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