Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142434 | Overvoltage arrester with air gap | Juergen Boy, Gerhard Schwenda | 1992-08-25 |
| 4493006 | Gas discharge overvoltage arrester with parallel-connected spark gap | Gerhard Lange, Jurgen Boy, Ernst-Ludwig Hoene | 1985-01-08 |
| 4366412 | Surge arrester with parallel-connected improved spark gap structure | Gerhard Lange, Gerhard Schwenda | 1982-12-28 |