Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876713 | Signal circuit protector device for consumer use | John J. Napiorkowski | 1989-10-24 |
| 4628394 | Voltage surge suppressor | John J. Napiorkowski | 1986-12-09 |
| 4584622 | Transient voltage surge suppressor | John J. Napiorkowski | 1986-04-22 |