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US Patent: 205,564
Improvement in knives for cutter-heads
Patentee: Patrick C. McGrath (exact or similar names) - Plattsburg, NY USPTO Classifications: 144/225, 144/241 Tool Categories: woodworking machines : machine and tool cutters : cutters Assignees: None Manufacturer: Not known to have been produced Witnesses: H. S. Ransom W. S. Ransom	Patent Dates: Applied: May 25, 1878 Granted: Jul. 02, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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