Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533877 | Hose fastening arrangement for roller pumps | Helmut Wiehan, Erwin Knott | 1996-07-09 |
| 5499907 | Roller pump for heart-lung machines | Erwin Knott | 1996-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533877 | Hose fastening arrangement for roller pumps | Helmut Wiehan, Erwin Knott | 1996-07-09 |
| 5499907 | Roller pump for heart-lung machines | Erwin Knott | 1996-03-19 |