Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5944431 | Sheet sensor device with light curtain | Willi Becker, Karl-Heinz Helmstaedter, Tobias Mueller, Juergen Rautert, Andreas Schulz +1 more | 1999-08-31 |
| 5590970 | Contact-free double-sheet control device for a printer | — | 1997-01-07 |