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Patent number:
Patent Date:
US Patent: 1,771,172
Wrench
Patentee:
Bernard Fraser (
exact
or
similar
names) - Vancouver, BC Canada
USPTO Classifications:
81/127
,
81/129.5
,
81/165
Tool Categories:
wrenches
:
wrench adjustment types
:
self-adjust wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Mar. 14, 1929
Granted:
Jul. 22, 1930
Patent Pictures:
USPTO
(New site tip)
Google Patents
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