Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634573 | Water discharge device with a hose sliding in a curved pipe | Paul Boesch, Beat Manser | 2003-10-21 |
| 6015396 | Automatic cannula withdrawing device for injection syringes | Heinz Buttgen, Konrad Burger, Tilo Callenbach, Karl Mazenauer, Daniel Vuille | 2000-01-18 |