Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219036 | Navigation system and process for guiding unmanned industrial trucks without guide wire | Gerhard Sommer, Michael Dongus | 1993-06-15 |
| 5154248 | Navigation system and process for guiding unmanned industrial trucks without guide wire | Gerhard Sommer, Michael Dongus | 1992-10-13 |