Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110515 | Remembrance-promoted number receipt for call allowance | A. Akhteruzzaman, Paul Sand | 2006-09-19 |
| 6980799 | Method for preserving calls when service is interrupted to a mobile unit in a wireless communication system | Akhtar Akhteruzzaman, Paul Sand, Richard Sparber | 2005-12-27 |
| 6975620 | Coupling of splitter with subset of plurality of lines on one-to-one basis | Phillip Thomas Corvino, Ronald A. Nordin, David A. Roberson, Paul Sand, Cynthia Melanie Stach | 2005-12-13 |
| 6657993 | System and method for variable bandwidth transmission facilities between a local telephone switch and a remote line unit | Lynn Marie Casanova, Dana Beverly Robinson, Paul Sand | 2003-12-02 |