Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9354455 | Controlling designs using a polygonal design | Helmut Altheimer, Wolfgang Becken, Gregor Esser, Dietmar Uttenweiler, Andrea Welk +8 more | 2016-05-31 |
| 8356896 | Method for determining far and near reference points | Gregor Esser, Nadine Jung, Katrin Nicke, Andrea Welk, Martin L. Zimmerman | 2013-01-22 |
| 7771047 | Error-tolerant progressive glass design | Helmut Altheimer, Gregor Esser, Andrea Welk, Leonhard Schmid, Martin Zimmermann +5 more | 2010-08-10 |