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US Patent: 1,434,995
Cutting or Boring Tool or Boring Head
Patentee: Henry Francis (exact or similar names) - Shepard's Bush, Middlesex County, England USPTO Classifications: 408/175, 408/176 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 30, 1920 Granted: Nov. 07, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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