Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880005 | Pacemaker for detecting and terminating a tachycardia | Michael Sweeney | 1989-11-14 |
| 4872459 | Pacemaker for detecting and terminating a tachycardia | Michael Sweeney | 1989-10-10 |
| 4868908 | Power supply down-conversion, regulation and low battery detection system | John G. Ryan | 1989-09-19 |
| 4827936 | Apparatus for stimulating the heart with protected pacer | Michael Sweeney, Roger Winkle | 1989-05-09 |