Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520172 | Anesthetic machine | — | 1996-05-28 |
| 4579115 | Device for supplying breathing gas into a closed ventilating circuit of a medical respirator | Carl F. Wallroth, Horst Frankenberger, Michael Waschmann, Jorg Bayerlein | 1986-04-01 |