MM

Manfred Melzig

OR Optische Werke G. Rodenstock: 3 patents #1 of 2Top 50%
📍 Weßling, DE: #1 of 2 inventorsTop 50%
Overall (1997): #13,336 of 185,788Top 8%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5645768 Photochromic compounds Herbert Zinner 1997-07-08
5637709 Photochromatic substances — 1997-06-10
5608065 Photochromatic substances — 1997-03-04