Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816959 | Lightning arrester including an active resistor core | Gunther Maier, Roger Perkins | 1989-03-28 |
| 4811478 | Process for the production of a lightning arrester and products produced thereby | Gunther Maier, Roger Perkins | 1989-03-14 |
| 4729053 | Process for the production of a lightning arrester and products produced thereby | Gunther Maier, Roger Perkins | 1988-03-01 |
| 4686603 | Overvoltage arrester | — | 1987-08-11 |