Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846169 | Device for controlling respirating gas in an anaesthesia or respiratory apparatus | Lothar Kleinschmidt, Carl F. Wallroth | 1989-07-11 |
| 4579115 | Device for supplying breathing gas into a closed ventilating circuit of a medical respirator | Carl F. Wallroth, Horst Frankenberger, Anton Obermayer, Jorg Bayerlein | 1986-04-01 |