Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665612 | Method of manufacturing a glass-bonded magnetic head having diffusion barriers | Johannes P. M. Damen, Cornelis H. M. Witmer, Gijsbertus De With | 1987-05-19 |
| 4600957 | Glass-bonded magnetic head having diffusion barriers | Johannes P. M. Damen, Cornelis H. M. Witmer, Gijsbertus De With | 1986-07-15 |