Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wen-Hung Chiang0
Date of Patent
May 10, 2022
0Patent Application Number
167349030
Date Filed
January 6, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
A tool extension rod includes a main piece, a sliding sleeve, and a magnetic assembly. The sliding sleeve is slidably sleeved onto the main piece. When the sliding sleeve moves between a first position and a second position, the magnetic assembly is movable along an axial direction.
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