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US Patent: 2,349,033
Boring Head
Patentee: Nathaniel R. Elliott (exact or similar names) - Alameda, Alameda County, CA USPTO Classifications: 173/36, 175/162, 175/22, 175/394, 175/53, 175/62, 405/184 Tool Categories: specialty tools : pipe and orifice cleaners Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 25, 1940 Granted: May 16, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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