Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406623 | Screw-type bone implant for receiving a dental prosthesis | Hans L. Grafelmann | 1983-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406623 | Screw-type bone implant for receiving a dental prosthesis | Hans L. Grafelmann | 1983-09-27 |