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US Patent: D105,629
Design for a wrench
Patentee: Herman W. Zimmerman (exact or similar names) - North Chicago, IL USPTO Classifications: D8/24 Tool Categories: wrenches : torque wrenches Assignees: Automotive Maintenance Machinery Co. - North Chicago, IL Manufacturer: Automotive Maintenance Machinery Co. - North Chicago, IL Witnesses: Unknown	Patent Dates: Applied: Jan. 02, 1937 Granted: Aug. 10, 1937 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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