Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777939 | Retractor structure | George Kees, Jr., Horst R. Hickmann | 1988-10-18 |
| 4340061 | Aneurysm clip | George Kees, Jr. | 1982-07-20 |
| 4312353 | Method of creating and enlarging an opening in the brain | — | 1982-01-26 |