Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148801 | Electronic heater-humidifier for hypothermia treatment | John Hayward | 1992-09-22 |
| 4829997 | Portable heat exchanger for inhalation rewarming | John Hayward | 1989-05-16 |
| 4319566 | Method and apparatus for inhalation rewarming | John Hayward | 1982-03-16 |