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US Patent: 1,808,453
Combination sawing machine
Patentee: Arthur E. De Koning (exact or similar names) - Portland, OR USPTO Classifications: 83/471.3, 83/477.1, 83/486.1 Tool Categories: woodworking machines : circular saws : tablesaws woodworking machines : circular saws : circular crosscut saws Assignees: None Manufacturer: Irvington Machine Works - Portland, OR Witnesses: Unknown	Patent Dates: Applied: Jun. 10, 1929 Granted: Jun. 02, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Irvington Machine Works

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