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US Patent: 738,728
Wrench
Patentee: Augustus J. Mayer (exact or similar names) - Homestead, PA USPTO Classifications: 81/135 Tool Categories: wrenches : wrench adjustment types : quick adjust wrenches Assignees: None Manufacturer: Not known to have been produced Witnesses: E. E. Potter Geo. B. Rowley M. E. Baldwin Ashel H. Hight	Patent Dates: Applied: Jan. 22, 1903 Granted: Sep. 08, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Stan Schulz
Description: The sliding jaw has a toothed shank extension. A secondary swinging handle with teeth sets the adjustment. A swinging latch at the end of the wrench can set and hold the adjustment.

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