Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961424 | Protected mechanism for DTMF relay | Michael C. Whitfield, Remy Gauguey | 2005-11-01 |
| 6934045 | Packet length indication for a facsimile system | Michael C. Whitfield, Remy Gauguey | 2005-08-23 |
| 6856607 | System and method for detecting valid indicator signals | Patrick D. Ryan, Michael Whitfield | 2005-02-15 |