Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732813 | Magnetic recording element | Hendrikus F. Huisman | 1988-03-22 |
| 4678705 | Composition and method for making magnetic recording elements | Hendrikus F. Huisman | 1987-07-07 |