Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959184 | Method for determining the security status of transmissions in a telecommunications network | Charles Calvin Byers, Steven Miller, William Brohmer Paulson, Carl Robert Posthuma | 2005-10-25 |
| 6907035 | Master controller for a flexible switching system | Charles Calvin Byers, Kevin Dombkowski, John Frederick Heck, Reinhard Metz | 2005-06-14 |
| 6741599 | Telephone switch-integrated modem pool and broadband access concentrator providing improved local loop data network access | James Patrick Dunn, Hsien-Chuen Yu | 2004-05-25 |
| 6694015 | Universal line interface in telecommunications system | Charles Calvin Byers, Carl Robert Posthuma | 2004-02-17 |
| 6415024 | System and method for special call detection and billing treatment | James Patrick Dunn, Don Howard Dvorak, Eugene J. Rosenthal, Ronald D. Slusky | 2002-07-02 |
| 6229846 | Apparatus and method for implementing high speed modem communication support | Carl Robert Posthuma | 2001-05-08 |
| 5905785 | Detecting high usage telecommunications lines | James Patrick Dunn, Don Howard Dvorak | 1999-05-18 |