Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743566 | Method of manufacturing a semiconductor device, in which a silicon slice is locally provided with field oxide with a channel stopper | Marcus A. Sprokel | 1988-05-10 |
| 4401992 | Method of marking a synthetic material surface and to an object having the marked synthetic material surface | Henricus H. M. Vorst, Enno C. Munk | 1983-08-30 |