GJ

Guobin JIA

Overall (All Time): #1,841,488 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11304444 Mechanical vaporizer 2022-04-19
11304452 Direct heating vaporizer 2022-04-19