4. Patents 목록으로 돌아가기
510-2020-0147113 (2020.11.05) / 10-2333660 (2021.11.26)
10-2016-0030143 (2016.03.14) / 10-1742752 (2017.05.26)
10-2020-0147114 (2020.11.05) / 10-2333650 (2021.11.26)
10-2018-0067473 (2018.06.12) / 10-2086830 (2020.03.03)
10-2021-0055765 (2021.04.29) / 10-2347116 (2021.12.30)