Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490347 | Method and apparatus for providing telecommunications trunk group selection for use in a public network in accordance with customer preference | Robert G. Demmert, Joseph Kohler, Patricia A. Litzo, Joseph McCarthy | 2002-12-03 |
| 6341158 | Telephony Test Technique | Martin Corso, III, Nicholas D. De Trana, Robert G. Demmert | 2002-01-22 |