Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6301360 | Method of encoding information using a position-based encoding scheme | Siegfried Bocionek, Ingolf Karls, Dieter Schutt | 2001-10-09 |
| 5790371 | Modular and extendible electronic working surface | Ingolf Karls | 1998-08-04 |