Inventor
JUNG GEUNYONG
KR4 patents
Patents
4 patentsUS10188249B2Jan 29, 2019
Vacuum cleaner
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US11005281B2May 11, 2021
Charging device
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US10742045B2Aug 11, 2020
Charging device
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US10806319B2Oct 20, 2020
Handle for cleaner and device having improved grip feeling
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