Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407425 | System for the collecting and retransfusion of autologous blood | Klaus-Hermann Schutt | 1995-04-18 |
| 4798583 | Method and apparatus for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1989-01-17 |
| 4713052 | Apparatus for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1987-12-15 |
| 4681562 | Method and apparatus for aspirating secreted fluids from a wound | Walter Beck, Siegfried Berger | 1987-07-21 |