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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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