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US Patent: 2,742,797
Multi-spindle portable power-operated tool
Patentee: James A. Perham (exact or similar names) - Aurora, IL USPTO Classifications: 192/56.1, 475/224, 475/264, 475/295, 74/421A, 74/421R, 74/665.0GA Tool Categories: Assignees: Thor Power Tool Co. - Aurora, IL Manufacturer: Thor Power Tool Co. - Aurora, IL Witnesses: Unknown	Patent Dates: Applied: Dec. 03, 1952 Granted: Apr. 24, 1956 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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