Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850344 | Aiming apparatus | Karl M. Richter | 1989-07-25 |
| 4827918 | Fixing instrument for use in spinal surgery | — | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850344 | Aiming apparatus | Karl M. Richter | 1989-07-25 |
| 4827918 | Fixing instrument for use in spinal surgery | — | 1989-05-09 |