Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4408302 | Word processor with display device | Rudolf Fessel, Peter Tillich, Gottfried Herbermann | 1983-10-04 |
| 4360806 | Display for word processor presenting margin zone markers | Peter Tillich, Gottfried Herbermann | 1982-11-23 |