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GB Patent: GB-191,420,846
Improvements in the manufacture of springs
Patentee: Henry Hayes (exact or similar names) - Manchester, County of Lancaster, England USPTO Classifications: Tool Categories: Assignees: B. & S. Massey Ltd. - Manchester, County of Lancaster, England Manufacturer: B. & S. Massey Ltd. - Manchester, County of Lancaster, England Witnesses: Unknown	Patent Dates: Applied: Oct. 12, 1914 Granted: Sep. 09, 1915 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for B. & S. Massey

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