Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071453 | Oxygen concentrator with pressure booster and oxygen concentration monitoring | William P. Myers, David N. Alftine, Tuan Q. Cao | 1991-12-10 |
| 4870960 | Backup breathing gas supply for an oxygen concentrator system | — | 1989-10-03 |
| 4496376 | Variable area molecular sieve container having a thermal control system | — | 1985-01-29 |