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US Patent: 3,057,417
Drill system with suction removal of cuttings
Patentee: Robert L. Sandvig (exact or similar names) - Whittier, CA USPTO Classifications: 173/60, 173/64, 173/69, 173/78, 175/207, 175/212, 175/213, 175/71, 285/335, 285/41, 415/99, 417/182, 91/325 Tool Categories: Assignees: Thor Power Tool Co. - Aurora, IL Manufacturer: Thor Power Tool Co. - Aurora, IL Witnesses: Unknown	Patent Dates: Applied: Aug. 12, 1958 Granted: Oct. 09, 1962 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thor Power Tool Co.

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