Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953181 | Respiratory mask | Roger Foote, Allan Nils Gregersen, Michael Gunaratnam | 2021-03-23 |
| 10272223 | Respiratory valve apparatus | Michael Kassipillai Gunaratnam, Allan Nils Gregersen | 2019-04-30 |
| 9308344 | Respiratory valve apparatus | Michael Kassipillai Gunaratnam, Allan Nils Gregersen | 2016-04-12 |
| 8316847 | Automatic positive airway pressure therapy through the nose or mouth for treatment of sleep apnea and other respiratory disorders | — | 2012-11-27 |
| 7270128 | Method and apparatus to counterbalance intrinsic positive end expiratory pressure | Michael Berthon-Jones | 2007-09-18 |
| 6915803 | Method and apparatus to counterbalance intrinsic positive and expiratory pressure | Michael Berthon-Jones | 2005-07-12 |
| 6854462 | Method and apparatus to counterbalance intrinsic positive end expiratory pressure | Michael Berthon-Jones | 2005-02-15 |
| 6588422 | Method and apparatus to counterbalance intrinsic positive end expiratory pressure | Michael Berthon-Jones | 2003-07-08 |