MM

Manfred Melzig

OR Optische Werke G. Rodenstock: 2 patents #1 of 3Top 35%
📍 Weßling, DE: #1 of 2 inventorsTop 50%
Overall (2002): #51,823 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6373615 Neutral-colored gray photochromic plastic object Claudia Mann, Udo Weigand 2002-04-16
6342459 Photochromic naphthopyrans Claudia Mann, Udo Weigand 2002-01-29