WK

Werner Koppen

OR Optische Werke G. Rodenstock: 1 patents #35 of 71Top 50%
📍 Gröbenzell, DE: #48 of 79 inventorsTop 65%
Overall (All Time): #4,011,489 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4504128 Spectacle lens with high positive refractive power Gunther Guilino, Rudolf Barth 1985-03-12