Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993062 | Telephone control system including stored blocked and allowed telephone numbers | Lawrence Hughes | 1991-02-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993062 | Telephone control system including stored blocked and allowed telephone numbers | Lawrence Hughes | 1991-02-12 |