Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656129 | Flow based incentive spirometer | Rex A. Niles, Stephen D. Diehl, Patrick W. Olin, David T. Middleton, Jr. | 2003-12-02 |
| 6539938 | Maximum expiratory pressure device | Lawrence A. Weinstein, Fredrick M. Richards | 2003-04-01 |