Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031067 | Five pin protector module for telephone circuits | Dan Kidd, John J. Napiorkowski | 1991-07-09 |
| 4958254 | Five pin protector module for telephone circuits | Dan Kidd, John J. Napiorkowski | 1990-09-18 |