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US Patent: 1,664,024
Grinding machine
Patentee: Jacob de Koning (exact or similar names) - Grand Rapids, MI USPTO Classifications: 451/213, 451/221, 451/273, 451/363, 451/393, 82/143 Tool Categories: Assignees: Gallmeyer & Livingston Co. - Grand Rapids, MI Manufacturer: Gallmeyer & Livingston Co. - Grand Rapids, MI Witnesses: Unknown	Patent Dates: Applied: Aug. 20, 1924 Granted: Mar. 27, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Gallmeyer & Livingston Co.

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