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US Patent: 221,020
Improvement in rotary cutter-heads
Patentee: Martin V. Bavis (exact or similar names) - Linwood, OH USPTO Classifications: 144/225 Tool Categories: woodworking machines : machine and tool cutters : cutterheads Assignees: None Manufacturer: Not known to have been produced Witnesses: B. F. Conrad J. S. Zerbe	Patent Dates: Applied: Apr. 12, 1879 Granted: Oct. 28, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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