Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412101 | Call data monitoring for electromechanical telephone switching systems | Otha C. Lee | 1983-10-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412101 | Call data monitoring for electromechanical telephone switching systems | Otha C. Lee | 1983-10-25 |