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US Patent: 1,274,820
Duplex Oscillating Saw
Patentee: Clarence E. Van Auken (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 30/392, 83/464, 83/513, 83/529, 83/556, 83/578, 83/647 Tool Categories: metalworking machines : metal sawing machines Assignees: Cora F. Van Auken - Chicago, Cook County, IL Manufacturer: Coats Machine Tool Co. Inc. - New York, NY Witnesses: William E. Lawton	Patent Dates: Applied: May 07, 1917 Granted: Aug. 06, 1918 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 Coats Machine Tool Co.
Description: This saw is for sawing iron or steel shafts.

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