Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040875 | Network support for caller ID verification | Deborah Barclay, David S. Benco, Sanjeev Mahajan, Thomas McRoberts | 2011-10-18 |
| 7570743 | Method and apparatus for surveillance of voice over internet protocol communications | Deborah Barclay, David S. Benco, Sanjeev Mahajan, Thomas McRoberts | 2009-08-04 |
| 7412228 | Method for notifying a primary wireless unit of group calling plan activity | Deborah Barclay, David S. Benco, Sanjeev Mahajan, Thomas McRoberts | 2008-08-12 |
| 7336776 | Method of establishing a multi-user call in a communication system | Deborah Barclay, Christopher Fernandez, Ronald Martin, Donna Michaels Sand | 2008-02-26 |
| 7248686 | System and method for routing calls using a universal access phone number | Sanjeev Mahajan, Deborah Barclay, David S. Benco, Thomas McRoberts | 2007-07-24 |
| 6987843 | Network support for fax retry blocking | Deborah Barclay, David S. Benco, Sanjeev Mahajan, Thomas McRoberts | 2006-01-17 |