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US Patent: 702,885
Drill-grinding machine
Patentee: Corneil Ridderhof (exact or similar names) - Grand Rapids, MI USPTO Classifications: 451/375 Tool Categories: metalworking machines : grinders : drill grinders metalworking machines : grinders : sharpening machines : drill sharpening machines Assignees: Wilmarth & Morman Co. - Grand Rapids, MI Manufacturer: Not known to have been produced Witnesses: Gus. J. Fennell William H. Gay	Patent Dates: Applied: Jan. 23, 1902 Granted: Jun. 17, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improved drill holder for the drill grinder of patent 643,703.

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