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US Patent: 1,079,420
Method of Adjusting Rotary Cutters
Patentee: Simon MacKay (exact or similar names) - Athol, Worcester County, MA USPTO Classifications: 33/628, 451/237, 451/48 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: Union Twist Drill Co. - Athol, Worcester County, MA Manufacturer: Union Twist Drill Co. - Athol, Worcester County, MA Witnesses: John W. Boynton Harry M. Butler L. D. Goodwin V. Landis	Patent Dates: Applied: Aug. 16, 1911 Granted: Nov. 25, 1913 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Union Twist Drill Co.

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