Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204980 | System and method for securely retrieving and playing digital media using peer-to-peer distribution | — | 2021-12-21 |
| 10078737 | System and method for securely retrieving and playing digital media | — | 2018-09-18 |
| 9576114 | System and method for securely retrieving and playing digital media | — | 2017-02-21 |
| 8719946 | System and method for securely retrieving and playing digital media | — | 2014-05-06 |
| 6295344 | Telephone travel card system under the control of its customers | — | 2001-09-25 |
| 5790636 | Telephone travel card system under the control of its customers | — | 1998-08-04 |
| 5068891 | Credit control system for long distance telephone services | — | 1991-11-26 |