Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695865 | Integrated logic circuit having insulated gate field effect transistors | — | 1987-09-22 |
| 4409606 | High breakdown voltage semiconductor device | Hendrik C. De Graaff, Johannes A. Appels | 1983-10-11 |
| 4381957 | Method of diffusing aluminum | Hendrik Punter | 1983-05-03 |