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US Patent: 407,413
Pipe Thread Cutting Machine
Patentees: Thomas McFassen (exact or similar names) - Youngstown, Mahoning County, OH David Rosser (exact or similar names) - Youngstown, Mahoning County, OH USPTO Classifications: 408/106, 470/176, 470/67 Tool Categories: metalworking machines : metal threading machines : pipe threading machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 23, 1888 Granted: Jul. 23, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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