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US Patent: 2,727,598
Impact wrench torque control
Patentees: Frank A. Kaman (exact or similar names) - Aurora, IL Walter G. Mitchell (exact or similar names) - Aurora, IL USPTO Classifications: 173/169, 173/178, 173/93, 192/150, 477/178, 81/475 Tool Categories: Assignees: Thor Power Tool Co. - Aurora, IL Manufacturer: Thor Power Tool Co. - Aurora, IL Witnesses: Unknown	Patent Dates: Applied: Oct. 22, 1951 Granted: Dec. 20, 1955 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thor Power Tool Co.

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