Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047961 | Sheet sensor for use with a drum | Willi Becker, Karl-Heinz Helmstaedter, Andreas Henn, Tobias Mueller, Andreas Schulz +1 more | 2000-04-11 |
| 5944431 | Sheet sensor device with light curtain | Willi Becker, Karl-Heinz Helmstaedter, Andreas Henn, Tobias Mueller, Andreas Schulz +1 more | 1999-08-31 |