Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945897 | Surgical retractor | Robert J. Greenstein | 1990-08-07 |
| 4796846 | Retaining device for a surgical instrument | Hans Meier | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945897 | Surgical retractor | Robert J. Greenstein | 1990-08-07 |
| 4796846 | Retaining device for a surgical instrument | Hans Meier | 1989-01-10 |