Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5253651 | Ventilatory instrument for measuring peak expiratory flow | James A. Stockwell | 1993-10-19 |
| D333004 | Ventilatory instrument for measuring peak expiratory flow | George A. McNamee, James A. Stockwell | 1993-02-02 |