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US Patent: 216,724
Improvement in means for adjusting cutting-disks
Patentee: George S. Colburn (exact or similar names) - Gardner, MA USPTO Classifications: 144/155 Tool Categories: woodworking machines : woodworking machine mechanisms Assignees: Heywood Bros. & Co. - Gardner, MA Manufacturer: Not known to have been produced Witnesses: George F. Walker F. F. Raymond, 2d	Patent Dates: Applied: Apr. 10, 1879 Granted: Jun. 24, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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