Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831485 | Gas discharge overvoltage arrester | Ernst-Ludwig Hoene | 1989-05-16 |
| 4797778 | Gas discharge path | — | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831485 | Gas discharge overvoltage arrester | Ernst-Ludwig Hoene | 1989-05-16 |
| 4797778 | Gas discharge path | — | 1989-01-10 |