Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811735 | Stone destroying catheter and method of use | Mark Michels | 1989-03-14 |
| 4795438 | Method and apparatus for forming a restriction in a vessel, duct or lumen | Kenneth Kensey | 1989-01-03 |