Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943403 | Customized, billing-controlled call bridging system | Kevin Austin, Samuel F. Billingsley, III | 1999-08-24 |
| 5883945 | Three-way call detection and response system | Samuel F. Billingsley, III, Robert W. Livingston, Jr. | 1999-03-16 |
| 5835572 | Customized, billing controlled call bridging system | Kevin Austin, Samuel F. Billingsley, III | 1998-11-10 |
| 5745558 | Three-way call detection and response system | Samuel F. Billingsley, III, Robert W. Livingston, Jr. | 1998-04-28 |
| 5692034 | Customized, billing-controlled call bridging system | Kevin Austin, Samuel F. Billingsley, III | 1997-11-25 |
| 5652785 | Enhanced wide area audio response network | Kevin Austin | 1997-07-29 |
| 5619556 | Automated telecommunication peripheral system | Kevin Austin, Samuel F. Billingsley, III | 1997-04-08 |
| 5581607 | Customized, billing-controlled call bridging system | Kevin Austin, Samuel F. Billingsley, III | 1996-12-03 |
| 5487103 | Enhanced wide area audio response network | Kevin Austin | 1996-01-23 |
| 5355403 | Customized, billing-controlled call bridging system | Kevin Austin, Samuel F. Billingsley, III | 1994-10-11 |
| 5335266 | Automated telecommunication peripheral system | Kevin Austin, Samuel F. Billingsley, III | 1994-08-02 |
| 5317627 | Enhanced wide area audio response network | Kevin Austin | 1994-05-31 |
| 5113430 | Enhanced wide area audio response network | Kevin Austin | 1992-05-12 |
| 4441143 | Photo voltaic lighting for outdoor telephone booth | — | 1984-04-03 |
| 4254308 | Vandal resistant public telephone | Earle B. Blomeyer, William Q. Watson | 1981-03-03 |