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US Patent: 1,443,413
Socket Wrench
Patentee:
Joseph Johnson (exact or similar names) - Milwaukee, WI

USPTO Classifications:
81/177.85, 81/58.3

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Snap-On Wrench Co. - Milwaukee, WI

Manufacturer:
Snap-On Wrench Co. - Milwaukee, WI
Blackhawk Mfg. Co. - Milwaukee, WI

Witnesses:
O. E. Hyde
A. F. Miller

Patent Dates:
Applied: Jul. 01, 1920
Granted: Jan. 30, 1923

Patent Pictures: [ 1 | 2 ]
Joseph Johnson patent January 30, 1923
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Snap-On Tools Company History
COLLECTING SNAP-ON
Description:
This ratchet action is an in-line device used for "T" handled ratchet socket drivers produced by Snap-On Tools. The patent number also appears on a similar in-line ratchet produced by Blackhawk Mfg. A spring between two elements with "teeth" provides a clutch.

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