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US Patent: 4,987,701
Endless belt valve grinder
Patentee: Marvin H. Humbert (exact or similar names) - Aberdeen, SD USPTO Classifications: 451/252, 451/307, 451/385, 451/398 Tool Categories: trade specific : vehicle repairer : vehicle mechanic : valve and seat maintenance Assignees: K. O. Lee Co. - Aberdeen, SD Manufacturer: K. O. Lee Co. - Aberdeen, SD Witnesses: Unknown	Patent Dates: Applied: Apr. 15, 1988 Granted: Jan. 29, 1991 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for K. L. Lee Co.

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