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GB Patent: GB-112,879
New or improved construction of twist drill grooving and clearance grinding (or milling) machines
Patentees: Percy Hunt (exact or similar names) - Manchester, England Herbert William Hunt (exact or similar names) - Manchester, England Herbert Hunt (exact or similar names) - Manchester, England USPTO Classifications: Tool Categories: metalworking machines : grinders : drill grinders tool making : making drills and augers Assignees: None Manufacturer: Herbert Hunt & Sons, Ltd. - Manchester, England Witnesses: Unknown	Patent Dates: Applied: May 07, 1917 Granted: Jan. 31, 1918 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Herbert Hunt & Sons, Ltd.

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