Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5917135 | Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor | Gregory A. Michaels | 1999-06-29 |
| 5906672 | Closed-loop feedback control for oxygen concentrator | Gregory A. Michaels, David D. Polaseck | 1999-05-25 |