Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5790359 | Electrical surge protector with thermal disconnect | Wilhelm H. Kapp | 1998-08-04 |
| 5508873 | Primary surge protector for broadband coaxial system | Walter Knapp | 1996-04-16 |
| 4188561 | Station protector spark gap applique | Walter T. Pranke | 1980-02-12 |