Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873988 | Vasometric test apparatus for testing blood supply to the toe of a patient | Karl-Heinz Affeldt | 1989-10-17 |
| 4838277 | Vasometric test apparatus for finger testing | Karl-Heinz Affeldt | 1989-06-13 |