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US Patent: 4,738
Making Wood Screws
Patentee: Thomas W. Harvey (exact or similar names) - New York, NY USPTO Classifications: 144/250.13, 144/253.1, 470/59 Tool Categories: metalworking machines : screw machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Sep. 03, 1846 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Thomas William Harvey Family Papers Summary

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