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US Patent: 688,681
Lathe for Turning Crank Pins
Patentees: August Peterson (exact or similar names) - Duluth, St. Louis County, MN Frank Booren (exact or similar names) - Duluth, St. Louis County, MN USPTO Classifications: 82/128 Tool Categories: metalworking machines : metal lathes : crank pin lathes metalworking tools : portable turning tools Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 10, 1901 Granted: Dec. 10, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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