Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403614 | Implantable cardioverter | William R. Engle, Joseph F. Spear, Jr., Ronald H. Rockland | 1983-09-13 |
| 4375817 | Implantable cardioverter | William R. Engle, Joseph F. Spear, Jr., Ronald H. Rockland | 1983-03-08 |