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US Patent: 303,975
Turret or tool-support
Patentee: John Birkenhead (exact or similar names) - Mansfield, MA USPTO Classifications: 29/35.5, 29/48.50R, 74/813R Tool Categories: metalworking machines : metal lathes Assignees: None Manufacturer: John Birkenhead - Mansfield, MA Witnesses: R. H. Eddy S. N. Piper	Patent Dates: Applied: Oct. 09, 1883 Granted: Aug. 26, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John Birkenhead

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