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US Patent: 1,758,013
Adjustable Wrench
Patentees: John Lloyd Schubert (exact or similar names) - Hillsboro, IA Johnston Eakins Caldwell (exact or similar names) - Mount Hamill, IA USPTO Classifications: 81/127 Tool Categories: wrenches : wrench adjustment types : screw adjust wrenches Assignees: None Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Dec. 13, 1929 Granted: May 13, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: Clarence A. O'Brien - patent attorney

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