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US Patent: 2,320,119
Mechanical wrench
Patentee:
John T. Burks - East Carondelet, IL

USPTO Classifications:
408/124, 74/127, 74/574, 81/28, 81/57.31

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers
wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 16, 1940
Granted: May 25, 1943

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
A combination wrench and screwdriver.

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