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US Patent: 318,952
Tool for Dressing Emery Wheels
Patentee: Lewis Bush, Jr. (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 125/37 Tool Categories: metalworking machines : grinders : grinder dressers Assignees: American Machinery Co. (Chicago) - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 20, 1884 Granted: Jun. 02, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for American Machinery Co. (Chicago)

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