Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433372 | Integrated logic MOS counter circuit | Friedhelm Elsen | 1984-02-21 |
| 4323982 | Logic circuit arrangement in the integrated MOS-circuitry technique | Friedhelm Elsen | 1982-04-06 |