Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440623 | Telephone routing system with queuing and voice messaging capabilities | Martin R. Marks, Michael S. Crum | 1995-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440623 | Telephone routing system with queuing and voice messaging capabilities | Martin R. Marks, Michael S. Crum | 1995-08-08 |