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US Patent: 1,053,556
Corner-clamping appliance
Patentee: Oscar Bergstrom (exact or similar names) - Chicago, IL USPTO Classifications: 249/219.1, 249/48, 254/1, 269/108 Tool Categories: work holding : clamps : miter and corner clamps Assignees: Handy Manufacturing Co. - Chicago, IL Manufacturer: Handy Manufacturing Co. - Chicago, IL Witnesses: R. Schaefer L. Heislar	Patent Dates: Applied: Mar. 18, 1912 Granted: Feb. 18, 1913 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews "Vintage Machinery" entry for Handy Manufacturing Co.

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