Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448761 | Angle of rotation sensor with an asymmetrically positioned permanent magnet | Reinhard Stumpe, Martin Osterfeld | 2002-09-10 |
| 6373215 | Device for monitoring the state of a window pane | Martin Osterfeld | 2002-04-16 |