Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634938 | Defibrillator waveform generator for generating waveform of long duration | David K. Swanson, James P. Nelson | 1997-06-03 |
| 5603732 | Subcutaneous defibrillation electrodes | Roger W. Dahl, David K. Swanson, Stephen J. Hahn, John E. Heil | 1997-02-18 |