Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692034 | Customized, billing-controlled call bridging system | Charles T. Richardson, Jr., Samuel F. Billingsley, III | 1997-11-25 |
| 5652785 | Enhanced wide area audio response network | Charles T. Richardson, Jr. | 1997-07-29 |
| 5619556 | Automated telecommunication peripheral system | Charles T. Richardson, Jr., Samuel F. Billingsley, III | 1997-04-08 |