DF

David Frings

TK Technische Hochschule Koeln: 1 patents #1 of 13Top 8%
📍 Duisburg, DE: #267 of 870 inventorsTop 35%
Overall (All Time): #1,757,931 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11960148 Eyeglass lens and method of making same Joerg Luderich, Christian POEPPERL 2024-04-16
9851584 Method of making an eyeglass lens Joerg Luderich, Christian POEPPERL 2017-12-26