HD

Hao Du

AL Ald Group Limited: 1 patents #1 of 3Top 35%
Overall (2021): #441,310 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11013271 Multiple-tar-cabin electronic cigarette Yi Ding, Pan Li 2021-05-25