US Patent 6928903 Bidirectional ratchet wrench with a ratchet assembly
Patent 6928903 was granted and assigned to LG on August, 2005 by the United States Patent and Trademark Office.
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Patent abstract
The bi-directional wrench with a ratchet assembly can be used in small space. It includes a handle, a base attached pivotally to the handle, a rotating device mounted on the base and a bi-directional device engaged with the rotating device. The bi-directional wrench with a ratchet assembly can change the effective rotating direction conveniently.
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Patent Number
Patent Inventor Names
Hui-Chen Liao0
Date of Patent
August 16, 2005
0Patent Application Number
108420880
Date Filed
May 10, 2004
0Patent Primary Examiner
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US Patent 6928903 Bidirectional ratchet wrench with a ratchet assembly
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