Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907593 | Adaptation of heart pacing to physical activity | Charles M. Rapach, David L. Purdy | 1990-03-13 |
| 4892518 | Hemodialysis | James CUPP, Robert Norman, David L. Purdy | 1990-01-09 |