DD

David R. Duncan

OG Op-Hygiene Ip Gmbh: 1 patents #4 of 12Top 35%
📍 Penryn, CA: #2 of 2 inventorsTop 100%
🗺 California: #7,928 of 65,961 inventorsTop 15%
Overall (2022): #84,942 of 548,613Top 20%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11491277 Syringe with multi-stage filling and dispensing 2022-11-08
11347984 Method providing superimposed machine readable tags for dispenser and replaceable reservoir Heiner Ophardt, Hendrik Ophardt 2022-05-31
11293416 Precision fluid dispensing device Michael Hartmann 2022-04-05