Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8150005 | Method, architectures and technique for authentication of telephone calls | Robert Sayko | 2012-04-03 |
| 7239688 | Method, architectures and technique for authentication of telephone calls | Robert Sayko | 2007-07-03 |