Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813427 | Apparatus and method for preventing hypoxic damage | Marianne E. Schlaefke | 1989-03-21 |
| 4336031 | Method for the calibration of an oxygen sensing unit and calibration agent therefor | Helmut Leist, Georg J. Ullrich | 1982-06-22 |