Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788458 | Two wire interface circuit | Patrick E. McCollum | 1988-11-29 |
| 4709160 | Solid state dc power switch | — | 1987-11-24 |
| 4705962 | Solid state dc rate of rise controlled switch | Patrick E. McCollum, Mark E. Colan | 1987-11-10 |