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US Patent: 505,221
Machine for Buffing Metal Tubes
Patentee: Thomas Harper (exact or similar names) - Brooklyn, Kings County, NY USPTO Classifications: 451/189 Tool Categories: metalworking machines : polishing machines specialty machines : polishing and buffing machinery specialty machines : tube making machines Assignees: William S. Hurley - Brooklyn, Kings County, NY David Alexander - Brooklyn, Kings County, NY Asa P. Meylert - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 05, 1892 Granted: Sep. 19, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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