Ratchet tool

Details Ratchet tool Ratchet tool

1981-01-12

1983-08-23

Douglas, Alan P.

Tools and hardware

Other tools and implements

Wrench

D0805

Patent

active

D02702274

REFERENCES:
patent: 3383962 (1968-05-01), Harris
patent: 4302990 (1981-12-01), Chrichton
patent: 4352306 (1982-10-01), Martinmaas
Popular Mechanics, 5/80, p. 170, "Litton's New Pocket Socket", wrench at bottom of page.

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