Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826272 | Method and apparatus for integrated multimedia call control | William Clyde Prentice Dalrymple, Ta-Ming Chen | 2004-11-30 |
| 6256389 | Integrated telecommunication collaboration system | William Clyde Prentice Dalrymple, James Matlock, Patrick Michael O'Shaughnessey, Ta-Ming Chen | 2001-07-03 |
| 6243452 | Graphical call status presentation system | Patrick Michael O'Shaughnessey | 2001-06-05 |