Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840167 | Respirator and a method of utilizing the respirator to promote blood circulation | Sven-Gunnar Olsson | 1989-06-20 |
| 4819629 | Method and apparatus for delivering aerosol to the airways and/or lungs of a patient | — | 1989-04-11 |