Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816580 | Technique for attributing communication call transactions to user affiliations and adjusting billings thereof | — | 2004-11-09 |
| 6775371 | Technique for effectively providing concierge-like services in a directory assistance system | Nicholas J. Elsey, Michael T. Samudio | 2004-08-10 |