Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549523 | Background noise contrast reduction for handovers involving a change of speech codec | Jonathan A. Gibbs, David Pearce, Andrew Aftelak | 2003-04-15 |
| 6029002 | Method and apparatus for analyzing computer code using weakest precondition | Ashraf Afifi, Joseph J. Comuzzi, Johnson M. Hart, Antonio Pizzarello | 2000-02-22 |
| 5838979 | Process and tool for scalable automated data field replacement | Johnson M. Hart, Ashraf Afifi, Antonio Pizzarello | 1998-11-17 |
| 4556972 | Arrangement for routing data packets through a circuit switch | Kwok Pun Lee, Ronald Martin | 1985-12-03 |