Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771047 | Error-tolerant progressive glass design | Helmut Altheimer, Gregor Esser, Andrea Welk, Leonhard Schmid, Martin Zimmermann +5 more | 2010-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771047 | Error-tolerant progressive glass design | Helmut Altheimer, Gregor Esser, Andrea Welk, Leonhard Schmid, Martin Zimmermann +5 more | 2010-08-10 |