Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314796 | Method and device for nondestructively testing fluid-filled containers for leaktightness | Juergen Wittekind, Andreas Kuehnel | 2001-11-13 |
| 5617845 | Inhalation device free from propellent gas | Jurgen Wittekind, Andreas Kuhnel | 1997-04-08 |
| 5507281 | Device for initiating a mechanical switching operation in synchronism with the breathing | Andreas Kuhnel, Jurgen Wittekind, Dieter Hochrainer | 1996-04-16 |
| 5347999 | Inhalation device free from propellant gas having brush abrading powder from tablet | Jurgen Wittekind | 1994-09-20 |