Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599288 | Processing of usage data for first and second types of usage-based functions | Raymond E. Cole | 2009-10-06 |
| 5666397 | Individual telephone line call event buffering system | Jeffrey Emmel, Frank Parrish | 1997-09-09 |
| 4823338 | Virtual local area network | Kenneth K. Chan, Philip Hartmann, Terry Gregory Lyons, Argyrios C. Milonas | 1989-04-18 |