JG

Jianzhong Guo

Overall (2021): #149,534 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D939686 Sleep earplug 2021-12-28
D938574 Swimming earplug 2021-12-14