Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850357 | Biphasic pulse generator for an implantable defibrillator | — | 1989-07-25 |
| 4817608 | Cardioverting transvenous catheter/patch electrode system and method for its use | J. Edward Shapland | 1989-04-04 |