DD

David R. Duncan

OG Op-Hygiene Ip Gmbh: 1 patents #8 of 9Top 90%
📍 Penryn, CA: #3 of 5 inventorsTop 60%
🗺 California: #27,826 of 68,989 inventorsTop 45%
Overall (2020): #502,908 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10671902 Method providing superimposed QR code for dispenser and replaceable reservoir Heiner Ophardt, Hendrik Ophardt 2020-06-02