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US Patent: 1,873,472
Socket Wrench
Patentee:
Edward M. Pfauser (exact or similar names) - Milwaukee, WI

USPTO Classifications:
254/2B, 81/177.85, 81/61

Tool Categories:
wrenches : socket wrenches

Assignees:
Blackhawk Mfg. Co. - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
none listed
Patent Dates:
Applied: May 29, 1930
Granted: Aug. 23, 1932

Patent Pictures:
Edward M. Pfauser patent Aug. 23, 1932
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Description:
The push plug in this ratchet is held in the head so it cannot be lost.

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