Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144644 | System and method for implementing call waiting functions over a network | James A. Bajzath, Darek A. Smyk | 2000-11-07 |
| 5933489 | Method and apparatus for handling subscription and administrative requests in a local service management system | Thomas H. Sensabaugh, Jatinder S. Hayer, George Tsacnaris, William F Woodbury, John Phillip Malyar +3 more | 1999-08-03 |