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GB Patent: GB-191,109,416
Improvements in apparatus for grinding milling cutters
Patentees: Alfred Herbert (exact or similar names) - Kenilworth, Warwickshire, England Thomas Allen (exact or similar names) - Coventry, Warwickshire, England USPTO Classifications: Tool Categories: Assignees: Alfred Herbert - Kenilworth, Warwickshire, England Thomas Allen - Coventry, Warwickshire, England Manufacturer: Alfred Herbert Ltd. - Coventry, Warwickshire, England Witnesses: Unknown	Patent Dates: Applied: Apr. 18, 1911 Granted: Dec. 30, 1911 Patent Pictures: Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Alfred Herbert Ltd.

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