Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760485 | Zine oxide surge arresters | Niyazi Ari, Diethard Hansen, Hans Schar | 1988-07-26 |
| 4672523 | Protective device for a load connected to a power supply line of an electric power system | Niyazi Ari, Diethard Hansen, Hans Schar | 1987-06-09 |
| 4259636 | Monitoring device for semiconductor rectifiers | Werner Buser | 1981-03-31 |