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US Patent: 424,919
Grinding-machine
Patentee: George W. Brown (exact or similar names) - Portland, ME USPTO Classifications: 241/162, 241/259 Tool Categories: Assignees: Belknap Water Motor Co. - Portland, ME Manufacturer: Not known to have been produced Witnesses: Edwin A. Leighton William H. Looney	Patent Dates: Applied: Sep. 14, 1889 Granted: Apr. 01, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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