Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189532 | Valve for use in a gas delivery system | Perry David Lithgow | 2001-02-20 |
| 6123071 | Facial masks for assisted respiration or CPAP | Michael Berthon-Jones, Michel Calluaud, Christopher Lynch | 2000-09-26 |
| 6044844 | Mask and harness assembly | Philip Rodney Kwok, Jakob Walter Bruderer, Colin Edward Sullivan | 2000-04-04 |
| 5896857 | Valve for use in a gas delivery system | Perry David Lithgow | 1999-04-27 |
| 5560354 | Facial masks for assisted respiration or CPAP | Michael Berthon-Jones, Michel Calluaud, Christopher Lynch | 1996-10-01 |