Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8128316 | Method of restoration of a highly saline lake | Jorrit K. de Groot | 2012-03-06 |
| 7832959 | Method of restoration of a highly saline lake | Jorrit K. de Groot | 2010-11-16 |
| 6888936 | User controlled location sharing during a communication | Paul Michael Brennan, Anne Grosman, Robert A. Williamson | 2005-05-03 |
| 6735295 | Call waiting messaging | Paul Michael Brennan, John C. Myers, Robert A. Williamson, Anne Grosman | 2004-05-11 |
| 6650746 | Urgency of call indication to called party through distinctive notification | Robert A. Williamson, Anne Grosman | 2003-11-18 |