Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8102635 | Method and arrangement for triggering a series spark gap | Jari Hällström, Heikki Holm | 2012-01-24 |
| 5233498 | Arrangement for forced triggering a spark gap | — | 1993-08-03 |