Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791976 | Mobile-to-mobile DTMF signaling in tandem free operation | Mahmoud R. Sherif | 2004-09-14 |
| 5396612 | Data tracking arrangement for improving the quality of data stored in a database | Robert W. Pautke, Thomas Redman | 1995-03-07 |