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Patent number:
Patent Date:
US Patent: 1,720,650
Adjustable Wrench
Patentee:
Benjamin H. Purdy (
exact
or
similar
names) - Douglas, KS
USPTO Classifications:
81/142
,
81/145
,
81/177.9
Tool Categories:
wrenches
:
wrench adjustment types
:
quick adjust wrenches
Assignees:
Benjamin H. Purdy
- Douglas, KS
C. A. Watson
- Winfield, KS
Carl McGregor
- Winfield, KS
Manufacturer:
Not known to have been produced
Witnesses:
none listed
Patent Dates:
Applied:
Dec. 22, 1927
Granted:
Jul. 09, 1929
Patent Pictures: [
1
|
2
]
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Report data errors or omissions to steward Stan Schulz
Description:
William C. Edwards Jr. - patent attorney
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