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US Patent: 2,221,325
Adjustable clamping device
Patentee: Harry V. Holman (exact or similar names) - Chicago, IL USPTO Classifications: 269/167, 269/245 Tool Categories: work holding : clamps : bar and pipe clamps Assignees: Adjustable Clamp Co. - Chicago, IL Manufacturer: Adjustable Clamp Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Aug. 20, 1938 Granted: Nov. 12, 1940 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews

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