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US Patent: 2,667,678
Hand clamps
Patentee: John M. Hargrave (exact or similar names) - Cincinnati, OH USPTO Classifications: 24/508, 24/510, D24/143, D26/60, D8/72 Tool Categories: work holding : clamps : spring clamps Assignees: None Manufacturer: Cincinnati Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 28, 1950 Granted: Feb. 02, 1954 Patent Pictures: 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. Improved alternative to the inventor's earlier patent 2,519,652.

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