Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957516 | System and method for selecting a destination number upon receiving a dialed number from a calling party | Carol Shifrin Gruchala, Donald W. Buell, Rodney T Brand, Robert Anthony Michalski | 2011-06-07 |
| 7382870 | System and method for selecting a destination number upon receiving a dialed number from a calling party | Carol Shifrin Gruchala, Donald W. Buell, Rodney T Brand, Robert Anthony Michalski | 2008-06-03 |
| 7136473 | System and method for selecting a destination number upon receiving a dialed number from a calling party | Carol Shifrin Gruchala, Donald W. Buell, Rodney T Brand, Robert Anthony Michalski | 2006-11-14 |
| 6813346 | System and method for selecting a destination number upon receiving a dialed number from a calling party | Carol Shifrin Gruchala, Donald W. Buell, Rodney T Brand, Robert Anthony Michalski | 2004-11-02 |