Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5802283 | Method and system for accessing multimedia data over public switched telephone network | John R. Grady, Kenneth Hand, John Modrowsky | 1998-09-01 |
| 5790174 | PSTN architecture for video-on-demand services | Larry A. Litteral | 1998-08-04 |
| 5712906 | Communications systems supporting shared multimedia session | John R. Grady, Kenneth Hand, John Modrowsky | 1998-01-27 |
| 5654751 | Testing jig and method of testing video using testing jig | — | 1997-08-05 |
| 5625404 | Method and system for accessing multimedia data over public switched telephone network | John R. Grady, Kenneth Hand, John Modrowsky | 1997-04-29 |
| 5528281 | Method and system for accessing multimedia data over public switched telephone network | John R. Grady, Kenneth Hand, John Modrowsky | 1996-06-18 |
| 5410343 | Video-on-demand services using public switched telephone network | Carl D. Coddington, Bernard J. Craig, Larry A. Litteral, Jeffrey B. Gold, Donald C. Klika, Jr. +2 more | 1995-04-25 |
| 5247347 | PSTN architecture for video-on-demand services | Larry A. Litteral, Jeffrey B. Gold, Donald C. Klika, Jr., Daniel B. Konkle, Carl D. Coddington +1 more | 1993-09-21 |