Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265237 | Apparatus for enhancing a person's breathing and/or artificial respiration | Erik Schwanbom | 1981-05-05 |
| 4227519 | Respirator for emergency air supply to a patient | Hans-Jorg Ziebrecht | 1980-10-14 |
| 4227523 | Respirator construction | Hans-Jorg Ziebrecht | 1980-10-14 |
| 4211221 | Respirator | Erik Schwanbom, Hans-Joachim Hartwig | 1980-07-08 |