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US Patent: 274,922
Circular saw
Patentee: Charles H. Douglas (exact or similar names) - Chicago, IL USPTO Classifications: 83/852 Tool Categories: woodworking machines : machine and tool cutters : sawblades Assignees: None Manufacturer: Not known to have been produced Witnesses: Joseph Warburton William T. Collins	Patent Dates: Applied: Feb. 01, 1883 Granted: Apr. 03, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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