Issued Patents All Time
Showing 1–6 of 6 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, Ronald Michael Bloom | 2011-06-07 |
| 7751532 | Call tracking system | Wayne Robert Heinmiller, Dianna Tiliks, Carol Shifrin Gruchala | 2010-07-06 |
| 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, Ronald Michael Bloom | 2008-06-03 |
| 7379449 | Method and system of supporting abbreviated dialing between affiliated phones wherein at least one phone is associated with a non-affiliated network | Wayne Robert Heinmiller, Dianna Tiliks, Carol Shifrin Gruchala, Louis Michael Morales | 2008-05-27 |
| 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, Ronald Michael Bloom | 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, Ronald Michael Bloom | 2004-11-02 |