Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D327506 | Automobile roof sign | Gunther Bartholomai | 1992-06-30 |
| D321489 | Taximeter | Heinz-Josef Hautvast | 1991-11-12 |
| D319632 | Multi-functional keyboard for data processing systems | — | 1991-09-03 |
| D310096 | Multiform printer | — | 1990-08-21 |