Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696481 | Process for recording intermediate and final times in sporting events | Rolf Schafer | 1997-12-09 |
| 4588881 | System for monitoring the movements of goods inwards and/or outwards | Jorg Liehmann, Ulrich Brauch | 1986-05-13 |