Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455429 | Method of producing large-area membrane masks | Jörg Butschke, Florian Letzkus, Reinhard Springer, Bernd Hofflinger, Hans Loschner | 2002-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455429 | Method of producing large-area membrane masks | Jörg Butschke, Florian Letzkus, Reinhard Springer, Bernd Hofflinger, Hans Loschner | 2002-09-24 |