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US Patent: 183,155
Wood-Grinders for Paper Pulp
Patentee: Joseph O. Gregg (exact or similar names) - Elkhart, Elkhart County, IN USPTO Classifications: 241/282, 241/38 Tool Categories: specialty machines : paper making machines trade specific : papermaker Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 15, 1876 Granted: Oct. 10, 1876 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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