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US Patent: 2,490,923
Quick action C-clamp
Patentee: Anthony M. Sasgen (exact or similar names) - Chicago, IL USPTO Classifications: 269/143, 269/224, 269/238, 29/468 Tool Categories: work holding : clamps : C clamps Assignees: None Manufacturer: Grand Specialties Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Jan. 15, 1943 Granted: Dec. 13, 1949 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews "Vintage Machinery" entry for Grand Specialties Co.

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