Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484247 | Nonfragmenting station arrester | Robert Koch | 1984-11-20 |
| 4463405 | Fail safe surge arrester | Robert Koch | 1984-07-31 |
| 4335417 | Heat sink thermal transfer system for zinc oxide varistors | Eugene C. Sakshaug | 1982-06-15 |
| 4282557 | Surge voltage arrester housing having a fragible section | — | 1981-08-04 |
| 4218721 | Heat transfer system for voltage surge arresters | — | 1980-08-19 |
| 4204238 | Surge voltage lightning arresters | — | 1980-05-20 |