Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493445 | Providing alerting/call waiting/call holding services to on-line internet users | ZhongJin Yang | 2002-12-10 |
| 6452490 | Home/commercial security monitoring system | John Andrew Johnson, Eric Edward Kampmeier, James Allen Kowal, David B. Smith | 2002-09-17 |
| 6453026 | Telecommunications network architecture for accessing customer premises equipment | William Alan Hewitt | 2002-09-17 |
| 6442256 | System and method for establishing a call path through a private network | Lila N. Russ, David B. Smith | 2002-08-27 |
| 6389120 | Method and apparatus for multiple logical channel information delivery over multiple suppressed ringing physical channels | David B. Smith | 2002-05-14 |