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US Patent: 2,340,529
Method of Making Socket Wrenches
Patentee: William Walter Hartman (exact or similar names) - Los Angeles, CA USPTO Classifications: 72/338, 72/378, 76/114 Tool Categories: tool making : making wrenches Assignees: William Walter Hartman - Los Angeles, CA Evelyn Tylor Hartman - Los Angeles, CA David Tylor Hartman - Los Angeles, CA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 03, 1943 Granted: Feb. 01, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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