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US Patent: 2,290,730
Grinding device
Patentee: John Y. Blazek (exact or similar names) - Bedford, OH USPTO Classifications: 451/482, 451/522 Tool Categories: trade specific : vehicle repairer : vehicle mechanic : crankshaft maintenance Assignees: Lempco Products, Inc. - Bedford, OH Manufacturer: Lempco Products, Inc. - Bedford, OH Witnesses: Unknown	Patent Dates: Applied: Oct. 27, 1939 Granted: Jul. 21, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Lempco Products, Inc.

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