Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929175 | Access control device | Bernhard Wiesinger | 2005-08-16 |
| 6896187 | Reader device for bar-coded authorization cards | — | 2005-05-24 |
| 6799726 | Authorization control device including a wristwatch having a biometric sensor | — | 2004-10-05 |
| D453117 | Entry control unit | Heinrich Krug | 2002-01-29 |
| 6310581 | Passage control device for non-contacting data carriers | — | 2001-10-30 |