Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883055 | Artificially induced blood pulse for use with a pulse oximeter | — | 1989-11-28 |
| 4883353 | Pulse oximeter | Kenneth A. Hausman | 1989-11-28 |
| 4854326 | Establishing a zero reference for invasive pressure sensors | — | 1989-08-08 |
| 4800749 | Transducer calibration circuit | — | 1989-01-31 |