Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306308 | Intervertebral implant | Herman J. R. Schmitz, Bertram Kaden, Gerhard Fuhrmann | 1994-04-26 |
| 5002576 | Intervertebral disk endoprosthesis | Gerhard Fuhrmann, Bertram Kaden, Herman J. R. Schmitz, Thomas Fritz, Curt Kranz | 1991-03-26 |
| 4618766 | Automatically adjustable electron microscope | Karel Diederick Van Der Mast | 1986-10-21 |
| 4359635 | Tracking device | — | 1982-11-16 |
| 4204453 | Device for automatic tonal accompaniment in electronic musical instruments | — | 1980-05-27 |