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Patent number:
Patent Date:
US Patent: 1,539,987
Adjustable Wrench
Patentee:
John A. Bell (
exact
or
similar
names) - Detroit, MI
USPTO Classifications:
81/126
,
81/129.5
,
81/142
Tool Categories:
wrenches
:
wrench adjustment types
:
quick adjust wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Feb. 11, 1924
Granted:
Jun. 02, 1925
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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