Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6760422 | Apparatus and method for providing conference call service | Bijay K. Roy | 2004-07-06 |
| 6690786 | Telephone system having multiple administrators of switching system resources | Mary Rita Otto | 2004-02-10 |
| 6452490 | Home/commercial security monitoring system | Stuart Mandel Garland, John Andrew Johnson, Eric Edward Kampmeier, David B. Smith | 2002-09-17 |
| 5999526 | Method and apparatus for delivering data from an information provider using the public switched network | Stuart Mandel Garland, Hilton Nicholson, David B. Smith | 1999-12-07 |