Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846783 | Incubator for infants | Michael Geier, Wolfgang Franz | 1989-07-11 |
| 4844059 | Method and apparatus for enriching respiratory gas with oxygen and delivering it to a patient | — | 1989-07-04 |
| 4832029 | Radiation arrangement | Wolfgang Franz | 1989-05-23 |