Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128291 | System and method for establishing a call telecommunications path | Andrew T Perlman, Mark S. Land, Steven J. Kruy | 2000-10-03 |
| 5751706 | System and method for establishing a call telecommunications path | Mark S. Land, Steven J. Kruy, Andrew T Perlman | 1998-05-12 |