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US Patent: 246,498
Cutter-head
Patentee: David Graffin (exact or similar names) - Catasauqua, PA USPTO Classifications: 144/225 Tool Categories: woodworking machines : machine and tool cutters : cutterheads Assignees: David Graffin - Catasauqua, PA Augustus H. Gilbert - Catasauqua, PA Tilghman R. Laubach - Catasauqua, PA Manufacturer: Not known to have been produced Witnesses: R. Clay Hamersley Aug. H. Gilbert	Patent Dates: Applied: Jul. 07, 1881 Granted: Aug. 30, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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