Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884572 | Tack and applicator for treating torn bodily material in vivo | Arthur F. Trott, Sam R. Marchand | 1989-12-05 |
| 4871364 | Metal core ossicular replacement prosthesis | Sam R. Marchand | 1989-10-03 |