Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499759 | Broad-band, low frequency, high-amplitude, long time duration, oscillating airway pressure breathing apparatus and method utilizing bubbles | Jay C. Zignego, Thomas N. Hansen, Charles V. Smith, Peter Richardson | 2013-08-06 |
| 8381723 | Broad-band, low frequency, high-amplitude, long time duration, oscillating airway pressure breathing apparatus and method utilizing bubbles | Jay C. Zignego, Thomas N. Hansen, Charles V. Smith, Peter Richardson | 2013-02-26 |