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US Patent: D138,817
Jar Wrench
Patentee:
Benjamin F. Hayden (exact or similar names) - St. Louis, MO

USPTO Classifications:
81/3.42, D8/39

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 19, 1944
Granted: Sep. 19, 1944

Patent Pictures:
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Description:
The lever handle slides a movable jaw element towards a fixed loop element.

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