Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031517 | Multi-color display unit, comprising a control arrangement for color selection | — | 2000-02-29 |
| 4959864 | Method and system for providing adaptive interactive command response | Frederik F. Leopold, Frederik J. Schaffers | 1990-09-25 |
| 4864623 | Method of recognizing a control command in a system, and interactive system for carrying out the method | Fredrick F. Leopold, Frederik J. Schaffers | 1989-09-05 |