Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876621 | Line protector for a communications circuit | Alexander G. Gilberts | 1989-10-24 |
| 4862311 | Overvoltage protector for use with data cables | John S. Bonnesen | 1989-08-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876621 | Line protector for a communications circuit | Alexander G. Gilberts | 1989-10-24 |
| 4862311 | Overvoltage protector for use with data cables | John S. Bonnesen | 1989-08-29 |