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US Patent: 24,152
Cutting Screws
Patentees: Richard Nuttall (exact or similar names) - Allegheny, Allegheny County, PA John Kirkpatrick (exact or similar names) - Allegheny, Allegheny County, PA USPTO Classifications: 279/71, 408/204, 470/75 Tool Categories: metalworking machines : cutting-off and centering machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: May 24, 1859 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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