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US Patent: 2,132,640
Grinding machine
Patentee: Ervin S. Mummert (exact or similar names) - Hanover, PA USPTO Classifications: 451/236 Tool Categories: Assignees: Mummert-Dixon Co. - Hanover, PA Manufacturer: Mummert-Dixon Co. - Hanover, PA Witnesses: Unknown	Patent Dates: Applied: Jul. 18, 1936 Granted: Oct. 11, 1938 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Mummert-Dixon Co.

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