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US Patent: 67,219
Gear Cutter Improvements in Gear-Cutting Wheels
Patentee: Thomas B. Russell (exact or similar names) - Salem, Essex County, MA USPTO Classifications: 269/60, 269/71, 269/79, 269/87, 409/1, 409/61 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jul. 30, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Benson & Russell

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