DF

David Frings

TK Technische Hochschule Koeln: 1 patents #1 of 4Top 25%
📍 Duisburg, DE: #15 of 60 inventorsTop 25%
Overall (2017): #450,645 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9851584 Method of making an eyeglass lens Joerg Luderich, Christian POEPPERL 2017-12-26