Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621632 | Humidifier system | Finn Sveen | 1986-11-11 |
| 4351329 | High frequency breath pump | Raymond A. Ellestad | 1982-09-28 |
| 4311317 | Lip and radial seal | — | 1982-01-19 |
| 4284878 | Fluid level detector | — | 1981-08-18 |
| 4261353 | Humidifier filler | — | 1981-04-14 |
| 4190045 | Noise reducing exhalation valve and diaphragm | — | 1980-02-26 |