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US Patent: 1,744,413
Socket-wrench tool
Patentees: Edward H. Peterson (exact or similar names) - Chicago, IL Norris F. McNaught (exact or similar names) - Chicago, IL USPTO Classifications: 29/437, 74/545, 81/177.1 Tool Categories: Assignees: Duro Metal Products Co. - Chicago, IL Manufacturer: Duro Metal Products Co. - Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Jul. 05, 1929 Granted: Jan. 21, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Duro Metal Products Co.

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