Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859331 | System for exchanging a substance between fluids | Wolf-Dieter Schmidt | 1989-08-22 |
| 4801385 | System for exchanging a substance between fluids | Wolf-Dieter Schmidt | 1989-01-31 |
| 4201204 | Breathing gas humidifier | Gerhart Rinne | 1980-05-06 |
| 4192836 | Respiratory gas humidifier | Wolfgang Bartscher, Roland Schultner | 1980-03-11 |