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US Patent: 2,269,503
Torque measuring wrench
Patentee: Herman W. Zimmerman (exact or similar names) - Highland Park, IL USPTO Classifications: 116/212, 73/862.23, 73/862.26 Tool Categories: wrenches : torque wrenches trade specific : vehicle repairer : vehicle mechanic specialty tools : automotive tools Assignees: Automotive Maintenance Machinery Co. - North Chicago, IL Manufacturer: Automotive Maintenance Machinery Co. - North Chicago, IL Witnesses: Unknown	Patent Dates: Applied: May 31, 1938 Granted: Jan. 13, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz "Vintage Machinery" entry for Automotive Maintenance Machinery Co. (AMMCO)

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