Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
In Soo Jung0
Myeong A Lee0
Date of Patent
October 9, 2018
0Patent Application Number
157204560
Date Filed
September 29, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A length adjustment device according to an exemplary embodiment forms a latching groove on an interior circumference of a first extension pole, which is configured to be separately assembled, and there is an effect that a manufacturing becomes easy and a mass production is possible.
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