Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999978 | Data backup method | Claus-Andreas Frank, Guenther Mohr, Hok-Tjhoen Tan | 2006-02-14 |
| 5863072 | Data tag for writing implements | — | 1999-01-26 |
| 5864867 | Memory management system of a computer system | Stefan Krusche, Dirk Lukas | 1999-01-26 |
| 5219036 | Navigation system and process for guiding unmanned industrial trucks without guide wire | Jurgen Schwager, Michael Dongus | 1993-06-15 |
| 5154248 | Navigation system and process for guiding unmanned industrial trucks without guide wire | Jurgen Schwager, Michael Dongus | 1992-10-13 |
| 4673827 | Proximity switch insensitive to interference fields | — | 1987-06-16 |