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US Patent: 4,934,614
Rotary grinding apparatus with secondary grinding chamber section
Patentee: Herbert H. Lewis (exact or similar names) - Jacksonville Beach, FL USPTO Classifications: 241/73, 241/80, 241/97 Tool Categories: woodworking machines : specialty woodworking machines : wood grinding machines Assignees: Newman Machine Co. - Greensboro, NC Manufacturer: Newman Machine Co. - Greensboro, NC Witnesses: Unknown	Patent Dates: Applied: Aug. 09, 1989 Granted: Jun. 19, 1990 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Newman Machine Co., Inc.

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