Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4936834 | Apparatus for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1990-06-26 |
| 4792328 | Method and appparatus for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1988-12-20 |
| 4661093 | Method for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1987-04-28 |