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US Patent: D148,621
Wrench
Patentee:
Fred Herman (exact or similar names) - Cleveland, OH

USPTO Classifications:
81/177.1, D8/22, D8/29, D8/84

Tool Categories:
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jul. 24, 1946
Granted: Feb. 10, 1948

Patent Pictures:
Fred Herman design patent February 10, 1948
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
The design is for a socket "nut driver" with a fold-out handle for extra leverage.

The specifications cite patent nos. 671,789, 1,135,297, 1,292,285, 1,371,933, 1,741,969, and 2,341,375 as relevant prior art.

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