Crescent wrench

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United States of America Patent

PATENT NO 6314842
SERIAL NO

09562772

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A crescent wrench having a screw hole at its handle in front of a thumbscrew, a holding-down screw threaded into the screw hole, and a handle couped to the holding-down screw and adapted for turning the holding-down screw between the operative position to hold down a movable jaw, which is to be turned by the thumbscrew relative to a fixed jaw at one end of the handle, and the non-operative position to release the movable jaw.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsieh, Chih-Ching No. 64, Lane 107, Liang Tsun Rd., Fong Yuan City, Taichung Hsien, TW 472 2798

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