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US Patent: 1,639,561
Clamp
Patentees: Delbert L. Farmer (exact or similar names) - Norwood, OH John M. Hargrave (exact or similar names) - Cincinnati, OH USPTO Classifications: 16/DIG.39, 269/171.5, 269/215, 269/94 Tool Categories: work holding : clamps : bar and pipe clamps Assignees: None Manufacturer: Cincinnati Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Aug. 09, 1926 Granted: Aug. 16, 1927 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews
Description: Inventor Hargrave was the president of Cincinnati Tool Co.

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