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GB Patent: GB-197,541
Improvements in die heads for screwing machines
Patentee: John Robert Ingham (exact or similar names) - Manchester, England USPTO Classifications: Tool Categories: metalworking machines : metal threading machines Assignees: Kendall & Gent (1920) Ltd. - Manchester, England Manufacturer: Kendall & Gent Ltd. - Manchester, England Witnesses: Unknown	Patent Dates: Applied: May 13, 1922 Granted: May 17, 1923 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Kendall & Gent

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