| 11206964 |
Cleaner |
Philjae Hwang, Eunji Sung, Taekgi Lee, Jungbae Hwang |
2021-12-28 |
| 11179016 |
Support device of cleaner and cleaner unit |
Philjae Hwang, Jungbae Hwang |
2021-11-23 |
| 11179015 |
Cleaner |
Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang +3 more |
2021-11-23 |
| 11122948 |
Vacuum |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-09-21 |
| 11096538 |
Cleaner |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-08-24 |
| 11089932 |
Vacuum |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-08-17 |
| 11076736 |
Cleaner |
Philjae Hwang, Eunji Sung, Taekgi Lee, Jungbae Hwang |
2021-08-03 |
| 11064855 |
Cleaner |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-07-20 |
| 11045058 |
Cleaner |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-06-29 |
| 11013382 |
Cleaner |
Philjae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee |
2021-05-25 |
| 10973380 |
Cleaner holder and cleaner unit |
Jonghyun Seo |
2021-04-13 |
| 10945573 |
Cleaner |
Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang +3 more |
2021-03-16 |
| 10939789 |
Cleaner |
Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang +3 more |
2021-03-09 |
