ZS

Zhenchun Shi

OG Op-Hygiene Ip Gmbh: 2 patents #2 of 12Top 20%
📍 Hamilton, CA: #7 of 104 inventorsTop 7%
Overall (2022): #91,467 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11337563 Two-piece foam piston pump Andrew Jones, Heiner Ophardt 2022-05-24
11305306 Dual pump hand cleaner foam dispenser Heiner Ophardt, Andrew Jones 2022-04-19