Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857046 | Drive catheter having helical pump drive shaft | Robert Braun | 1989-08-15 |
| 4854325 | Reciprocating guidewire method | — | 1989-08-08 |
| 4811743 | Catheter guidewire | — | 1989-03-14 |
| 4798586 | Method and apparatus for aiding dilatation catheterization | — | 1989-01-17 |