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US Patent: 1,337,678
Wrench
Patentee: James H. Williams (exact or similar names) - Leverett, MA USPTO Classifications: 81/98 Tool Categories: wrenches : wrench adjustment types : self-adjust wrenches Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles L. Putney Frank A. Glazier James F. Crown J. O'Connell	Patent Dates: Applied: May 01, 1917 Granted: Apr. 20, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: Richard P. Owen - patent attorney

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