JY

Jinniu Yuan

📍 Tai'an City, CN: #2 of 5 inventorsTop 40%
Overall (2021): #77,839 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D932002 Triple layer industrial earplug — 2021-09-28
D931437 Double layer soundproof earplug — 2021-09-21
D924841 Three-layer tilted head earplugs — 2021-07-13